Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1897)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1900)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1905)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1913)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1922)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1924)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1952)

Procès-verbaux - Société Linnéenne de Bordeaux. (1905)

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1888)

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1891)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1876)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1874)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1879)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1877)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1880)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1890)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1896)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1899)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1900)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1902)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1908)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1916)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1929)

Pteridologist - British Pteridological Society. (The Society, 2012)

[Publications] - Bureau of Government Laboratories - Philippines. Bureau of Government Laboratories. (Bureau of Public Printing, 1903)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1859)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1866)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1872)

Quarterly journal of microscopical science (J. and A. Churchill [etc.], 1916)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1897)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1898)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1899)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1900)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1902)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1903)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1908)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1913)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1922)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1924)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1925)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1926)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1927)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1928)

Queensland Agricultural Journal - Queensland. Department of Agriculture; Stock. (Queensland Dept. of Primary Industries, 1934)

Quince culture - Meech, William Witler, 1825 - (Orange Judd company, 1896)

Quince culture : an illustrated hand-book for the propagation and cultivation of the quince, with descriptions of its varieties, insect enemies, diseases and their remedies - Meech, William Witler, 1825 - (Orange Judd, 1888)

Quince culture : An illustrated hand-book for the propagation and cultivation of the quince with descriptions of its varieties, insect enemies, diseases, and their remedies - Meech, William Witler, 1825 - (Orange Judd company, 1896)

Quince culture. An illustrated hand-book for the propagation and cultivation of the quince with descriptions of its varieties, insect enemies, diseases, and their remedies - Meech, William Witler, 1825 - (Orange Judd, 1919)

Quince culture. An illustrated hand-book for the propagation and cultivation of the quince - Meech, William Witler, 1825 - (Orange Judd company, 1888)

Raboty Volzhskoĭ biologicheskoĭ stant͡sii = Arbeiten der Biologischen Wolga-Station - Volzhskai͡a biologicheskai͡a stant͡sii͡a (Stant͡sii͡a, 1914)

Recent advances in entomology - Imms, A. D. (Augustus Daniel), 1880 -1949 (P. Blakiston's son & co., inc, 1937)

Record of American entomology for the year 1868 ... - Packard, A. S. (Alpheus Spring), 1839 -1905 (Naturalist's Book Agency, 1869)

The Record of zoological literature (J. van Voorst, 1864)

The Record of zoological literature (J. van Voorst, 1866)

The Record of zoological literature (J. van Voorst, 1867)

The Record of zoological literature (J. van Voorst, 1868)

The Record of zoological literature (J. van Voorst, 1869)

Records of the Australian Museum - Australian Museum (Printed by order of the Trustees, 1906)

Records of the Indian Museum - Indian Museum. (Pub. by order of the trustees of the Indian Museum, 1919)

Recueil des travaux botaniques néerlandais - Koninklijke Nederlandse Botanische Vereniging. (Société botanique néerlandaise, 1907)

The red or orange scale - Quayle, H. J. (Henry Josef) 1876 -1951 (Agricultural Experiment Station, 1911)

Redia - R. Stazione di entomologia agraria in Firenze. (Tipografia R. Coppini & Co. [etc.], 1910)

Redia - R. Stazione di entomologia agraria in Firenze. (Tipografia R. Coppini & Co. [etc.], 1916)

Redia - R. Stazione di entomologia agraria in Firenze. (Tipografia R. Coppini & Co. [etc.], 1917)

Redia - R. Stazione di entomologia agraria in Firenze. (Tipografia R. Coppini & Co. [etc.], 1918)

Le règne animal distribué d'après son organisation, pour servir de base à l'histoire naturelle des animaux et d'introduction à l'anatomie comparée - Audouin, Jean Victor, 1797 -1841 (Fortin, Masson et cie, 1836)

Reise in Ostafrika in den Jahren 1903-1905 : mit Mitteln der Hermann und Elise geb. Heckmann Wentzel-Stiftung : Wissenschaftliche Ergebnisse - Voeltzkow, Alfred, 1860 -1946 (E. Schweizerbartsche Verlagsbuchhandlung, 1909)

Rendiconti - Accademia nazionale dei Lincei. Classe di scienze fisiche, matematiche e naturali. (1902)

Report embodying the returns received from thirty different counties, in relation to the several varieties of fruits most successfully grown in Upper Canada - Fruit Growers' Association of Upper Canada. (s.n.], 1863)

Report of the Board of Commissioners of Agriculture and Forestry of the Territory of Hawaii - Hawaii. (The Board, 1905)

Report of the Board of Commissioners of Agriculture and Forestry of the Territory of Hawaii for the period ... - Hawaii. Board of Commissioners of Agriculture; Forestry. (1906)

Report of the Board of Commissioners of Agriculture and Forestry of the Territory of Hawaii for the period ... - Hawaii. Board of Commissioners of Agriculture; Forestry. (1908)

Report of the Board of Commissioners of Agriculture and Forestry of the Territory of Hawaii - Hawaii. (The Board, 1906)

Report of the Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, Office of the Regents, 1868)