Ornithologia, sive, Synopsis methodica sistens avium divisionem in ordines, sectiones, genera, species, ipsarumque varietates : cum brevi & accurata cujusque speciei descriptione, citationibus auctorum de iis tractantium, nominibus eis ab ipsis impositis, nominibusque vulgaribus - Brisson, Mathurin-Jacques, 1723 -1806 (Apud Theodorum Haak, 1763)

Ornithological bibliography - Coues, Elliott, 1842 -1899 (Geological Survey [etc.], 1878)

Ornithological gazetteer of Brazil - Traylor, Melvin A. (Melvin Alvah), 1915 -2008 (Obtainable from Bird Dept., Museum of Comparative Zoology, Harvard University, 1991)

Ornithological gazetteer of Chile - Paynter, Raymond A. Jr. (Bird Dept., Museum of Comparative Zoology, Harvard University, 1988)

Ornithological gazetteer of Colombia - Paynter, Raymond A. Jr. (Bird Dept., Museum of Comparative Zoology, Harvard University, 1997)

Ornithological gazetteer of Peru - Traylor, Melvin A. (Melvin Alvah), 1915 -2008 (Bird Dept., Museum of Comparative Zoology, Harvard University, 1983)

An ornithological index, arranged according to the synopsis avium of Mr. Vigors / by T. B. L. Baker - Vigors, N. A.‏ ‎ (Nicholas Aylward),‏ ‎ 1785 -1840 (Printed by R. Taylor, 1835)

Ornithologie de la Savoie, ou, Histoire des oiseaux : qui vivent en Savoie a l'état sauvage soit constamment, soit passagèrement - Bailly, J.-B. (Jean-Baptiste) (J.-B. Clary, 1853)

Ornithologie, ou, Méthode contenant la division des oiseaux en ordres, sections, genres, especes & leurs variétés : a laquelle on a joint une description exacte de chaque espece, avec les citations des auteurs qui en ont traité, les noms quils leur ont donnés, ceux que leur ont donnés les différentes nations, & les noms vulgaires - Martinet, François Nicolas, 1731 -1800 (Ad Ripam Augustinorum, apud Cl. Joannem-Baptistam Bauche, bibliopolam, ad Insigne S. Genovesae, & S. Joannis in Deserto, 1760)

Ornithologische Monatsberichte (Verlag von R. Friedländer & Sohn, 1897)

Ornithologische Monatsberichte (Verlag von R. Friedländer & Sohn, 1893)

Ornithologisches Centralblatt (L.A. Kittler, 1878)

Ornithologisches Centralblatt (1881)

Ornithologisches Centralblatt (L.A. Kittler, 1879)

Ornithologisches Jahrbuch (V. Tschusi, 1894)

Ornithologisches Jahrbuch (V. Tschusi, 1911)

Ornithologisches Jahrbuch (V. Tschusi, 1912)

Ornithologisches Taschenbuch von und für Deutschland, oder, Kurze Beschreibung aller Vögel Deutschlands für Liebhaber dieses Theils der Naturgeschichte - Bechstein, Johann Matthäus, 1757 -1822 (Carl Friedrich Enoch Richter, 1803)

The ornithologist's text-book : being reviews of ornithological works : with an appendix, containing discussions on various topics of interest - Wood, Neville. (John W. Parker, 1836)

Ornithology - Jardine, William, 1800 -1874 (W.H. Lizars, 1853)

Ornithology. Humming birds ... - Jardine, William, 1800 -1874 (W.H. Lizars; [etc., etc.], 1833)

L'Ornitologo Ticinese ossia manuale descrittivo gli Uccelli di stazione e di passaggio nel Cantone Ticino, &c - Riva, Antonio. (1865)

Pages from a garden note-book - King, Francis, Mrs., 1863 -1948 (Scribner, 1921)

Papéis avulsos do Departamento de Zoologia - São Paulo Departamento de Zoologia (A Secretaria, 1944)

Papéis avulsos do Departamento de Zoologia - São Paulo Departamento de Zoologia (A Secretaria, 1948)

Papéis avulsos do Departamento de Zoologia - São Paulo Departamento de Zoologia (A Secretaria, 1952)

Peonies for fall planting : also irises phloxes bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ellwanger & Barry, 1912)

Peonies for fall planting : also irises, phloxes, bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ellwanger & Barry, 1911)

Perennial and shady-garden plants : 1940 catalog - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Baake Nursery, 1940)

Peter Henderson & Co.'s wholesale catalogue of bulbs, plants and seeds, also books, tools, fertilizers, insecticides and requisities - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Peter Henderson & Co, 1902)

Le petit Buffon illustré : histoire et description des animaux extraite des oeuvres - Buffon, Georges Louis Leclerc, comte de, 1707 -1788 (Garnier, 1874)

Die pflanzen-mischlinge : ein beitrag zur biologie der gewächse - Focke, Wilhelm Olbers, 1834 -1922 (Gebrüder Borntrager, 1881)

Die Pflanzen und Thiere des tropischen America : ein Naturgemälde - Martius, Karl Friedrich Philipp von, 1794 -1868 (bei dem Verfasser ;in Comm. bei Friedr. Fleischer, 1831)

Philosophie zoologique. vol. 1 - Lamarck, Jean-Baptiste Pierre Antoine de Monet de, 1744 -1829 (Duminil-Lesueur, 1830)

Philosophie zoologique; ou, Exposition des considérations relatives à l'histoire naturelle des animaux. Nouv. éd., rev. et précédée d'une introd. biographique par Charles Martins - Lamarck, Jean-Baptiste Pierre Antoine de Monet de, 1744 -1829 (F. Savy, 1873)

Phlox and iris circular 1904-1905 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.C. Thurlow & Co, 1905)

Phlox and iris circular 1905-1906 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (T.C. Thurlow & Co, 1906)

Phylogenie und System der Mollusken - Ihering, H. von (Hermann), 1850 -1930 (M. Diesterweg, 1922)

Physiologie des Menschen und der Säugethiere - Du Bois-Reymond, R. (René), 1863 -1938 (August Hirschwald, 1908)

Physiologie du mouvement : le vol des oiseaux - Marey, Etienne-Jules, 1830 -1904 (G. Masson, éditeur, libraire de l'Académie de médecine, 1890)

Phytoneuron (Guy L. Nesom, 2015)

Picture of organized nature, in its spreading over the earth (Smith, 1828)

Planches enluminées d'histoire naturelle - Buffon, Georges Louis Leclerc, comte de, 1707 -1788 (s.n, 1765)

Plant inventory - United States. Agricultural Research Service. (Northeastern Region, Agricultural Research Center-West, 1969)

Plantae rariores quas in itinere per oras Jonii ac Adriatici Maris et per regiones Samnii ac Aprutii - Gussone, Giovanni, 1787 -1866 (Ex Regia Typographia, 1826)

Les plantes de serre; description, culture, emploi des espèces ornementales ou intéressantes cultivées dans les serres de l'Europe - Bellair, Georges Adolphe, 1860 -1939 (Octave Doin, 1900)

Les plantes utiles des colonies françaises - Lanessan, J.-L. de Jean Louis 1843 -1919 (Impr. nationale, 1886)

La plume des oiseaux : histoire naturelle et industrie, avec figures intercalées dans le texte :histoire naturelle, chasse et domestication, usages guerriers, jouets, parure et habillement, usages domestiques, la plume à écrire - Montillot, Just Marie Nicolas, 1847 -1890 (Ballière et fils, 1891)

Pontiac Nursery Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pontiac Nursery Co, 1921)

Portraits of celebrated racehorses of the past and present centuries : in strictly chronological order, commencing in 1702 and ending in 1870 together with their respective pedigrees and performance recorded in full - Taunton, Thomas Henry. (S. Low, Marston, Searle & Rivington, 1887)

A practical guide to garden plants, containing descriptions of the hardiest and most beautiful annuals and biennials, hardy herbaceous and bulbous perennials, hardy water and bog plants, flowering and ornamental trees and shrubs, conifers; hardy ferns; hardy bamboos and other ornamental grasses. Also the best kinds of fruits and vegetables that may be grown in the open air in the British Isles with full and practical instruction as to culture and propagation - Weathers, John, 1867 -1928 (Longmans, Green, 1901)

Praktische Naturgeschichte der Vögel, für Gebildete aller Stände - Reichenbach, A. B. (Anton Benedikt), 1807 -1880 (1850)

Die preussische expedition nach Ost-Asien : nach amtlichen quellen. V. 1, Zoologischer theil - Martens, Eduard von, 1831 -1904 (R. v. Decker, 1876)

Price list - California Nursery Co. (The Nursery, 1915)

Price list - California Nursery Co. (The Nursery, 1916)

Price list : 1915-1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1915)

Price list : 1916-1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1916)

Price list : 1917-1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (California Nursery Company, 1917)

Price list of fruit and ornamental trees, small fruits, evergreens, roses, etc., of the California Nursery Co - California Nursery Co. (The Nursery, 1915)

Price list of fruit and ornamental trees, small fruits, evergreens, roses, etc., of the California Nursery Co - California Nursery Co. (The Nursery, 1881)

Price list of hardy herbaceous perennials and alpine plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Julius Heurlin, 1903)

Price list of Minnesota grown hardy apple stock, crab apple stock, hybrids, small fruits nursery-grown evergreens, ornamental trees, shrubs, plants, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Andrews Nursery Co, 1910)

Proceedings and transactions of the Royal Society of Canada. Délibérations et mémoires de la Société royale du Canada - Royal Society of Canada. (Société royale du Canada, 1916)

Proceedings of the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (Academy of Natural Sciences of Philadelphia, 1913)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1982)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1996)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1998)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1999)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2015)

Proceedings of the International Ornithological Congress (Australian Academy of Science [etc.], 1901)

Proceedings of the International Ornithological Congress (Australian Academy of Science [etc.], 1929)

Proceedings of the International Ornithological Congress (Australian Academy of Science [etc.], 1962)