Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1914)

Proceedings of the South London Entomological & Natural History Society - South London Entomological; Natural History Society (South London Entomological and Natural history Society, 1924)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1884)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1889)

Proceedings of the United States National Museum - Smithsonian Institution (Smithsonian Institution Press, [etc.], 1893)

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.], 1916)

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.], 1940)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1877)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1888)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1889)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1891)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1896)

Proceedings of the Zoological Society of London - Zoological Society of London. (Academic Press, [etc.], 1923)

Procès-verbaux - Société Linnéenne de Bordeaux. (1925)

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

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

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1893)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1891)

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, 1901)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1903)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1911)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1912)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1913)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1914)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1915)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1917)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1919)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1921)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1923)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1924)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1925)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1927)

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

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1930)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1931)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1933)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1934)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1935)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1936)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1937)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1940)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1942)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1950)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1951)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1952)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1953)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1954)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1956)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1958)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1959)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1962)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1963)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1964)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1965)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1966)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1967)