Katalog der Eiersammlung, nebst Beschreibungeh der aussereuropäischen Eier - Nehrkorn, Adolph. (R. Friedler & Sohn, 1910)

Katalog der Eiersammlung : nebst Beschreibungen der aussereuropäischen Eier - Nehrkorn, Adolph (H. Bruhn, 1899)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 1937)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 1938)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 1939)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 1940)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 1941)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 1942)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 1943)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 1944)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 1945)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 1953)

The Kentucky warbler - Kentucky Ornithological Society. (Kentucky Ornithological Society, 1961)