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Petite faune entomologique du Canada : précédée d'un traité élémentaire d'entomologie - Provancher, L. (Léon), 1820 -1892 (C. Darveau, 1883)

Petites nouvelles entomologiques (E. Deyrolle, 1869)

Die Pflanzenwelt Deutschlands; Lehrbuch der Formations- biologie. Eine Darstellung der Lebensgeschichte der wildwachsenden Pflanzenvereine und der Kulturflächen - Graebner, Paul, 1871 -1933 (Quelle & Meyer, 1909)

Pharmaceutical journal and transactions - Pharmaceutical Society of Great Britain. (J. & A. Churchill, 1874)

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Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 1976)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 1986)

Phegea - Vlaamse Vereniging voor Entomologie. (Vlaamse Vereniging voor Entomologie, 2009)

A philosopher with nature - Kidd, Benjamin, 1858 -1916 (Methuen & co., ltd, 1921)

The philosophy of zoology, or, A general view of the structure, functions, and classification of animals - Fleming, John, 1785 -1857 (Hurst, Robinson & Co, 1822)

The philosophy of zoology; or, A general view of the structure, functions, and classification of animals - Fleming, John, 1785 -1857 (A. Constable, 1822)

Phylogenetic analysis of the cleptoparasitic bees belonging to the Nomadinae based on mature larvae (Apoidea, Apidae) - Rozen, Jerome G. Jr. (Jerome George), 1928 - (American Museum of Natural History, 1996)

Phylogenetic relationships of Euherbstia with other short-tongued bees (Hymenoptera, Apoidea) - Rozen, Jerome G. Jr. (Jerome George), 1928 - (American Museum of Natural History, 1993)

Phylogeny and systematics of Melittidae based on the mature larvae (Insecta, Hymenoptera, Apoidea) - McGinley, Ronald J. (American Museum of Natural History, 1974)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1976)

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The polar and tropical worlds : a description of man and nature in the polar and equatorial regions of the globe - Hartwig, G. (Georg), 1813 -1880 (Published by Bill, Nichols & Company, 1872)

The polar and tropical worlds: a description of man and nature in the polar and equatorial regions of the globe. Two volumes in one - Hartwig, G. (Georg), 1813 -1880 (C.A. Nichols & Co, 1874)

The polar and tropical worlds : a description of man and nature in the polar and equatorial regions of the globe. Two volumes in one. Embracing also an account of the expeditions of all the Arctic explorers from the discovery of Iceland ... to Hall's last expedition ... together with the wonderful discoveries, and adventures of Agassiz, Livingstone, Wallace, and other distinguished travelers in the tropical countries - Hartwig, G. (Georg), 1813 -1880 (C. A. Nichols, 1875)

The polar and tropical worlds a description of man and nature in the polar and equatorial regions of the globe : two volumes in one : embracing also an account of the expeditions of all the Arctic explorers from the discovery of Iceland, over one thousand years ago, to Hall's last expedition in the northern world, together with the wonderful discoveries and adventures of Agassiz, Livingstone, Wallace, and other distinguished travelers in the tropical countries - Hartwig, G. (Georg), 1813 -1880 (J.W. Lyon, 1874)

The polar and tropical worlds : a popular and scientific description of man and nature in the polar and equatorial regions of the globe : embracing the combined results of all the explorations, researches and discoveries of modern times - Hartwig, G. (Georg), 1813 -1880 (C.A. Nichols, 1876)

The polar and tropical worlds: a description of man and nature in the polar and equatorial regions of the globe - Hartwig, G. (Georg), 1813 -1880 (Johnson & McClain, 1871)

The polar and tropical worlds : a description of man and nature in the polar and equatorial regions of the globe - Hartwig, G. (Georg), 1813 -1880 (A. L. Bancroft, 1871)

The polar and tropical worlds : a description of man and nature in the polar and equatorial regions of the globe - Hartwig, G. (Georg), 1813 -1880 (J.W. Lyon, 1874)

The polar world: a popular description of man and nature in the Arctic and Antarctic regions of the globe - Hartwig, G. (Georg), 1813 -1880 (Harper & Brothers, 1869)

Polskie pismo entomologiczne = Polish journal of entomology = Bulletin entomologique de Pologne - Polski Zwiazek Entomologiczny (Panstwowe Wydawn. Naukowe, 1923)

Polskie pismo entomologiczne = Polish journal of entomology = Bulletin entomologique de Pologne - Polski Zwiazek Entomologiczny (Panstwowe Wydawn. Naukowe, 1925)

Popular British entomology : containing a familiar and technical description of the insects most common to the various localities of the British Isles - Catlow, Maria E. (Reeve, Benham, and Reeve, 1848)

Popular British entomology; containing a familiar and technical description of the insects most common to the localities of the British Isles - Catlow, Maria E. (Reeve and Co, 1852)

Popular British entomology : containing a familiar and technical description of the insects most common to the various localities of the British Isles - Catlow, Maria E. (Routledge, Wayne, & Routledge, 1860)