The butterfly guide; a pocket manual for the ready identification of the commoner species found in the United States and Canada - Holland, W. J. (William Jacob), 1848 -1932 (Doubleday, Page & company, 1915)

Butterfly-hunting in many lands : notes of a field naturalist - Poulton, Edward Bagnall, Sir, 1856 -1943 (Longmans, Green, and co, 1912)

Canadian butterflies worth knowing - Weed, Clarence Moores, 1864 -1947 (Musson, 1917)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1872)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1875)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1876)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1887)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1888)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1890)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1898)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1900)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1908)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1916)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1918)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1922)

The Canadian entomologist - Entomological Society of Canada (1863-1871) (Entomological Society of Canada [etc.], 1923)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1919)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1926)

The Canadian record of science - Natural History Society of Montreal. (Natural History Society, 1899)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1923)

Catalog 1938 : irises, peonies, poppies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tip-Top Gardens, 1938)

Catalog-1939 : irises, hemerocallises, peonies, poppies - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Tip-Top Gardens, 1939)

Catalog der Lepidopteren des palaearctischen Faunengebietes - Staudinger, Otto, 1830 -1900 (1901)

Catalog no. 35, supersedes all previous issues - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pfeiffer Nursery, 1936)

A catalogue/checklist of the butterflies of America, north of Mexico - Miller, Lee D. (Lepidopterists' Society, 1981)

Catalogue de la bibliothèque - Bohnensieg, G. C. W. (Georg Carl Wilhelm), 1828 - (Héritiers Loosjes, 1885)

Catalogue of British Columbia Lepidoptera - British Columbia Provincial Museum. (R. Wolfenden, 1904)

Catalogue of family-group and genus-group names (Lepidoptera : Rhopalocera) - Bridges, Charles A. (C.A. Bridges, 1988)

A catalogue of many new, rare, and fine irises, peonies, oriental poppies, hybrid daylilies, and some other standard varieties - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Arvista Gardens, 1938)

A catalogue of many new, rare, and fine irises, peonies, oriental poppies, hybrid daylilies, and some other standard varieties - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Arvista Gardens, 1937)

A catalogue of many new, rare, and fine irises, peonies, oriental poppies, Betscher hybrid hemerocallis ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Arvista Gardens, 1935)

A catalogue of many new, rare, and fine irises, peonies, oriental poppies, hybrid daylilies in more than 1300 named varieties - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Arvista Gardens, 1940)

A catalogue of many new, rare, and fine irises, peonies, oriental poppies, Betscher hybrid hemerocallis ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Arvista Gardens, 1934)

A catalogue of many new, rare, and fine irises, peonies, oriental poppies, hybrid daylilies in more than 1300 named varieties - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Arvista Gardens, 1939)

A catalogue of many new, rare, and fine irises, peonies, oriental poppies, Betscher hybrid hemerocallis ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Arvista Gardens, 1936)

A catalogue of many new, rare, and fine irises, peonies, oriental poppies, hybrid daylilies in more than 1300 named varieties - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Arvista Gardens, 1941)

Catalogue of Papilionidae & Pieridae (Lepidoptera, Rhopalocera) - Bridges, Charles A. (C.A. Bridges, 1988)

Catalogue of publications relating to entomology in the Library of the U.S. Department of Agriculture - United States. Department of Agriculture. Library, (Govt. Print. Off, 1906)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1879)

Catalogue of scientific papers, 1800-1863 [to 1884-1900] - Royal Society (Great Britain) (Eyre & Spottiswoode, 1914)

Catalogue of the books, manuscripts, maps and drawings in the British museum (Natural history) .... - Woodward, Bernard Barham, 1853 -1930 (Printed by order of the Trustees, 1915)

Catalogue of the family-group, genus-group and species-group names of the Hesperioidea (Lepidoptera) of the world - Bridges, Charles A. (C.A. Bridges, 1994)

A catalogue of the lepidopterous insects in the museum of the Hon. East-India company - Moore, Frederic, 1830 -1907 (W.H. Allen and Co, 1857)

Check-list of the insects of Connecticut - Britton, Wilton Everett, 1868 -1939 (Printed for the State Geological and Natural History Survey, 1920)

Check-list of the insects of Connecticut - Britton, Wilton Everett, 1868 -1939 (State Geological and Natural History Survey, 1920)

Check list of the lepidoptera of boreal America - Barnes, William, 1860 -1930 (Herald Press, 1917)

Check list of the Lepidoptera of boreal America - Barnes, William, 1860 -1930 (Herald Press, 1917)

Check list of the Lepidoptera of Canada and the United States of America ... - McDunnough, James H. (James Halliday) 1877 -1962 (1938)

Choice irises, peonies, and poppies : surplus from the private collection at Fairmount Iris Gardens - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fairmount Iris Gardens, 1932)

Colored plates of The butterflies of the west coast; being actual photographs, life-size, and in all their natural colors - Wright, W. G. (William Greenwood), 1830 -1912 (Printed for the author, 1907)

Comunicaciones del Museo nacional de Buenos Aires - Museo Argentino de Ciencias Naturales "Bernardino Rivadavia" (The Museo, 1899)

Comunicaciones del Museo nacional de Buenos Aires - Museo Argentino de Ciencias Naturales "Bernardino Rivadavia" (The Museo, 1898)

Congrès international d'entomologie : [proceedings] (Hayez, 1938)

Congrès international d'entomologie : [proceedings] (Hayez, 1958)

Congrès international d'entomologie : [proceedings] (Hayez, 1971)

Contributions to the natural history of the Lepidoptera of North America ... - Barnes, William, 1860 -1930 (The Review press, 1912)

Contributions to the natural history of the Lepidoptera of North America ... - Barnes, William, 1860 -1930 (The Review press, 1913)

Contributions to the natural history of the Lepidoptera of North America ... - Barnes, William, 1860 -1930 (The Review press, 1918)

Correspondenz-blatt des Entomologischen Vereins "Iris" zu Dresden - Entomologischer Verein "Iris" zu Dresden. (Entomologischer Verein "Iris" zu Dresden, 1884-1888, 1888)

Correspondenz-blatt des Zoologisch-mineralogischen Vereins in Regensburg - Zoologisch-Mineralogischer Verein (Regensburg, Germany) (Zoologisch-mineralogischer Verein, 1864)

Correspondenz-blatt des Zoologisch-mineralogischen Vereins in Regensburg - Zoologisch-Mineralogischer Verein (Regensburg, Germany) (Zoologisch-mineralogischer Verein, 1865)

Delectus animalium articulatorum : quae in itinere per Brasiliam, annis MDCCXVII-MDCCCXX : jussu et auspiciis Maximiliani Josephi I ... - Martius, Karl Friedrich Philipp von, 1794 -1868 (Impensis Editoris, 1830)

Descriptive catalog with complete color classification : 250 modern iris : highly rated, fully tested, well grown, hardy, healthy and vigorous - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Grand View Iris Gardens, 1930)

Deutsche entomologische Zeitschrift - Deutsche Entomologische Gesellschaft. (Nicolai'sche Verlags-Buchandlung, 1913)

Deutsche entomologische Zeitschrift - Deutsche Entomologische Gesellschaft. (Nicolai'sche Verlags-Buchandlung, 1914)

Deutsche entomologische Zeitschrift - Deutsche Entomologische Gesellschaft. (Nicolai'sche Verlags-Buchandlung, 1916)

Deutsche entomologische Zeitschrift - Deutsche Entomologische Gesellschaft. (Nicolai'sche Verlags-Buchandlung, 1922)

Deutsche entomologische Zeitschrift / herausgegeben von dem Entomologischen Verein in Berlin - Entomologische Verein in Berlin. (Nicolai'sche Verlagsbuchhandlung, 1875)

Deutsche entomologische Zeitschrift Iris - Entomologischer Verein "Iris" zu Dresden. (R. Friedländer, 1903)

Deutsche entomologische Zeitschrift Iris - Entomologischer Verein "Iris" zu Dresden. (R. Friedländer, 1908)

Deutsche entomologische Zeitschrift Iris - Entomologischer Verein "Iris" zu Dresden. (R. Friedländer, 1925)

Dimorphic development and alteration of generation in the Cladocera - Smith, Sidney I. (Sidney Irving) 1843 -1926 (S. Converse, 1875)

Directory of zoological taxonomists of the world - Blackwelder, Richard E. (Richard Eliot), 1909 -2001 (Published for the Society of Systematic Zoology by Southern Illinois University Press, 1961)

The distribution of insects in New Hampshire. A chapter from the first volume of the final reportupon the Geology of New Hampshire - Scudder, Samuel Hubbard, 1837 -1911 (E.A. Jenks, state printer, 1874)

The effect of the glacial epoch upon the distribution of insects in North America - Grote, Augustus Radcliffe, 1841 -1903 (s.n, 1876)