The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 2005)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 2009)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 2013)

Key-catalogue of parasites reported for carnivora (cats, dogs, bears, etc.) : with their possible public health importance - Stiles, Charles Wardell, 1867 -1941 (United States Government Printing Office, 1935)

Key to North American birds - Coues, Elliott, 1842 -1899 (1872)

Key to North American birds; containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary. Illustrated by 6 steel plates and upwards of 250 woodcuts - Coues, Elliott, 1842 -1899 (Naturalists' Agency, 1872)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland - Coues, Elliott, 1842 -1899 (Macmillan, 1884)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1890)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1887)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology, an outline of the structure and classification of birds, and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (D. Estes and Company, 1890)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1894)

Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology: an outline of the structure and classification of birds; and Field ornithology, a manual of collecting, preparing, and preserving birds - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1896)

Key to North American birds; containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary - Coues, Elliott, 1842 -1899 (Naturalists' agency, 1872)

Key to North American birds containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary - Coues, Elliott, 1842 -1899 (Naturalist's Agency, 1872)

Key to North American birds containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland - Coues, Elliott, 1842 -1899 (Estes and Lauriat, 1884)

A key to the birds of the Hawaiian group - Bryan, William Alanson, 1875 -1942 (Bishop Museum Press, 1901)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1952)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1953)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1955)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1957)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1958)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1959)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1960)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1961)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1963)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1965)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1966)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1967)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1968)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1969)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1974)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1978)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1979)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1980)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1987)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1989)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1991)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1994)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1995)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 1996)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 2002)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 2003)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 2005)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 2006)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 2007)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 2008)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 2009)

The Kingbird - Federation of New York State Bird Clubs. (s.n, 2010)

Kirtlandia - Cleveland Museum of Natural History (Cleveland Museum of Natural History, 1982)

Kirtlandia - Cleveland Museum of Natural History (Cleveland Museum of Natural History, 1983)

Kirtlandia - Cleveland Museum of Natural History (Cleveland Museum of Natural History, 2007)

Kleine Fauna und Flora von der südwestlichen Gegend um Wien bis auf den Gipfel des Schneeberges ([s.n, 1807)

Det Kongelige Danske videnskabernes selskabs skrifter. Naturvidenskabelig og mathematisk afdeling - Kongelige Danske videnskabernes selskab. (1868)

Kortbegrip van het zamenstel der natuur - Linné, Carl von, 1707 -1778 (By J. van Schoonhoven, en Comp, 1772)

Kritische Übersicht der europäischen Vögel. Revue critique des oiseaux d'Europe - Schlegel, H. (Hermann), 1804 -1884 (Arnz, 1844)

Kritisk framställning af fogelarterna uti äldre ornithologiska arbeten - Sundevall, Carl J., 1801 -1875 (s.n, 1857)

Kulturpflanzen und Hausthiere in ihrem Übergang aus Asien nach Griechenland und Italien sowie in das übrige Europa; historisch-linguistische Skizzen - Engler, Adolf, 1844 -1930 (Gebrüder Borntraeger, 1902)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1793)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1801)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1809)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1835)

Kungl. Svenska vetenskapsakademiens handlingar - Kungl. Svenska vetenskapsakademien. (L.L. Grefing, 1842)