The birds of the British Isles and their eggs (1919). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

The birds of the British Isles and their eggs (1919). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Journal of genetics (1910)[1914-1915]. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Journal of genetics (1910)[1914-1915]. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Journal of genetics (1910)[1914-1915]. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Journal of genetics (1910)[1914-1915]. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Journal of genetics (1910)[1914-1915]. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Journal of genetics (1910)[1914-1915]. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Journal of genetics (1910)[1914-1915]. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Journal of genetics (1910)[1914-1915]. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Journal of genetics (1910)[1914-1915]. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Journal of genetics (1910)[1914-1915]. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Journal of genetics (1910)[1914-1915]. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Journal of genetics (1910)[1914-1915]. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Costume design for Firebird. Via Sotheby's:"signed Bakst and dated 1922 (lower left). . . "Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Zoological Society bulletin (1901)[1920-21]. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Zoological Society bulletin (1901)[1918-1919]. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Lucas the Younger Cranach. 1565. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Illustrations of the botany and other branches of the natural history of the Himalayan Mountains and of the flora of Cashmere /by J. Forbes Royle. (1839). Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Illustrations of the botany and other branches of the natural history of the Himalayan Mountains and of the flora of Cashmere /by J. Forbes Royle. (1839). Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Annual report - New York Zoological Society (1896)[1906]. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Willian Beebe. A monograph of the pheasants (1918). v4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Willian Beebe. A monograph of the pheasants (1918). v4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Willian Beebe. A monograph of the pheasants (1918). v4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Willian Beebe. A monograph of the pheasants (1918). v4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Willian Beebe. A monograph of the pheasants (1918). v4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Willian Beebe. A monograph of the pheasants (1918). v4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Willian Beebe. A monograph of the pheasants (1918). v4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Willian Beebe. A monograph of the pheasants (1918). v4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Willian Beebe. A monograph of the pheasants (1918). v4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Willian Beebe. A monograph of the pheasants (1918). v4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Willian Beebe. A monograph of the pheasants (1918). v4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Willian Beebe. A monograph of the pheasants (1918). v4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Willian Beebe. A monograph of the pheasants (1918). v4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Willian Beebe. A monograph of the pheasants (1918). v4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Willian Beebe. A monograph of the pheasants (1918). v4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Willian Beebe. A monograph of the pheasants (1918). v4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Willian Beebe. A monograph of the pheasants (1918). v4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Willian Beebe. A monograph of the pheasants (1918). v4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

William Palliser of Ripon, 1858, from An Album of Watercolour Drawings of Pigeons. Via Sotheby's. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Annual report - New York Zoological Society (1896)[1905]. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Mémoires du Muséum d'histoire naturelle (1815)[1820].Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Two Pheasants. Early 17th century. Mughal dynasty. Northern India. Via Freer/Sackler. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Pieter Holsteyn the Younger. 17thC. Via Sothebys. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Peter Paillou, "A Cockerel". Via Sothebys. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Folk tales from Tibet (1907). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Jan Asselyn. The Threatened Swan. c. 1650. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Birds at Baran, possibly from the Babur-nama. Late 16th century. Scan of 2 d images in the public domain believed to be free to use without restriction in the US.

Jacques Callot. 1592 - 1635. Cat and the Caged Bird. Via Harvard U. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

La machine animale locomotion terrestre et aérienne (1886). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Die Kunst : Monatsheft für freie und angewandte Kunst (1899)(1908). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

The log of the sun; a chronicle of nature's year (1906). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

The log of the sun; a chronicle of nature's year (1906). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

The log of the sun; a chronicle of nature's year (1906). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

The log of the sun; a chronicle of nature's year (1906). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Nouveau recueil de planches coloriées d'oiseaux (1838). V. 4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Nouveau recueil de planches coloriées d'oiseaux (1838). V. 4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Nouveau recueil de planches coloriées d'oiseaux (1838). V. 4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Nouveau recueil de planches coloriées d'oiseaux (1838). V. 4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Nouveau recueil de planches coloriées d'oiseaux (1838). V. 4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Nouveau recueil de planches coloriées d'oiseaux (1838). V. 4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Nouveau recueil de planches coloriées d'oiseaux (1838). V. 4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Nouveau recueil de planches coloriées d'oiseaux (1838). V. 4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Nouveau recueil de planches coloriées d'oiseaux (1838). V. 4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Die Kunst : Monatsheft für freie und angewandte Kunst (1899). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Nouveau recueil de planches coloriées d'oiseaux (1838). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Nouveau recueil de planches coloriées d'oiseaux (1838). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Nouveau recueil de planches coloriées d'oiseaux (1838). V. 4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Nouveau recueil de planches coloriées d'oiseaux (1838). V. 4. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Die Kunst : Monatsheft für freie und angewandte Kunst (1899). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Die Kunst : Monatsheft für freie und angewandte Kunst (1899). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Die Kunst : Monatsheft für freie und angewandte Kunst. 1901. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Dictionnaire pittoresque d'histoire naturelle et des phénomènes de la nature (1839). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Dictionnaire pittoresque d'histoire naturelle et des phénomènes de la nature (1837). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Die Avifauna von Timor (1914). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Anonymous watercolor, ca. 1760-1770, South Carolina and area. The Ethelind Pope Brown Collection of South Carolina Natural History. Via U of SC. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

L. Prang & Co. (publisher). Date issued: 1861-1897 (approximate). Via Boston Public Library. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Catalogue of the birds of the peninsula of India, arranged according to the modern system of classification : with brief notes on their habits and geographical distribution, and description of new, doubtful and imperfectly described species (1844). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Catalogue of the birds of the peninsula of India, arranged according to the modern system of classification : with brief notes on their habits and geographical distribution, and description of new, doubtful and imperfectly described species (1844). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Catalogue of the birds of the peninsula of India, arranged according to the modern system of classification : with brief notes on their habits and geographical distribution, and description of new, doubtful and imperfectly described species (1844). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Catalogue of the birds of the peninsula of India, arranged according to the modern system of classification : with brief notes on their habits and geographical distribution, and description of new, doubtful and imperfectly described species (1844). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Anonymous watercolor, ca. 1760-1770, South Carolina and area. The Ethelind Pope Brown Collection of South Carolina Natural History. Via U of SC. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

British zoology (1812). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

The warblers of North America (1907). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

The warblers of North America (1907). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

The warblers of North America (1907). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

The warblers of North America (1907). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

The warblers of North America (1907). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Anonymous watercolor, ca. 1760-1770, South Carolina and area. The Ethelind Pope Brown Collection of South Carolina Natural History. Via U of SC. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Anonymous watercolor, ca. 1760-1770, South Carolina and area. The Ethelind Pope Brown Collection of South Carolina Natural History. Via U of SC. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Dictionnaire pittoresque d'histoire naturelle et des phénomènes de la nature (1836). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

[Animals and birds] (1796). J. Wilkes. Via Glascow School of Art. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

[Animals and birds] (1796). J. Wilkes. Via Glascow School of Art. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Illustration by Louis Agassiz Fuertes of an Eastern Screech Owl (Megascops asio) from The Burgess Bird Book for Children. 1919. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Bulletin (1911) Missouri. Game and fish dept. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Bulletin (1911) Missouri. Game and fish dept. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

[Animals and birds] (1796). J. Wilkes. Via Glascow School of Art. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

[Animals and birds] (1796). J. Wilkes. Via Glascow School of Art. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Die moment-photographie in ihrer anwendung auf kunst und wissenschaft (1886). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Nouveau recueil de planches coloriées d'oiseaux (1838). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Nouveau recueil de planches coloriées d'oiseaux (1838). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Reise in den äussersten Norden und Osten Sibiriens während der Jahre 1843 und 1844 mit Allerhöchster Genehmigung auf Veranstaltung der Kaiserlichen Akademie der Wissenschaften zu St. Petersburg ausgeführt und in Verbindung mit vielen Gelehrten (1847)
Bd. 2, T. 2 (1853). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Reise in den äussersten Norden und Osten Sibiriens während der Jahre 1843 und 1844 mit Allerhöchster Genehmigung auf Veranstaltung der Kaiserlichen Akademie der Wissenschaften zu St. Petersburg ausgeführt und in Verbindung mit vielen Gelehrten (1847)
Bd. 2, T. 2 (1853). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Reise in den äussersten Norden und Osten Sibiriens während der Jahre 1843 und 1844 mit Allerhöchster Genehmigung auf Veranstaltung der Kaiserlichen Akademie der Wissenschaften zu St. Petersburg ausgeführt und in Verbindung mit vielen Gelehrten (1847)
Bd. 2, T. 2 (1853). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Nouveau recueil de planches coloriées d'oiseaux (1838). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Nouveau recueil de planches coloriées d'oiseaux (1838). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Nouveau recueil de planches coloriées d'oiseaux (1838). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Nouveau recueil de planches coloriées d'oiseaux (1838). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Revue et magasin de zoologie pure et appliquée (1850) vol. 2 . Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Nouveau recueil de planches coloriées d'oiseaux (1838). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Nouveau recueil de planches coloriées d'oiseaux (1838). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Reise in den äussersten Norden und Osten Sibiriens während der Jahre 1843 und 1844 mit Allerhöchster Genehmigung auf Veranstaltung der Kaiserlichen Akademie der Wissenschaften zu St. Petersburg ausgeführt und in Verbindung mit vielen Gelehrten (1847)
Bd. 2, T. 2 (1853). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Revue et magasin de zoologie pure et appliquée (1860). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

homas a Kempis. Imitatio Christi. — Gerson (Johannes). De meditatione cordis. — Doctrina pulchra pro religiosis et solitariis (Ut tibi solitudo dulcescat…) (1489). Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.

Annual report - New York Zoological Society (1896)[1905]. Scan of 2 d images in the public domain believed be free to use without restriction in the U.S.