A key to species of American owls / by Leon Kelso, U. S. Biological survey; with a list of the owls of the Americas, by Estelle H. Kelso; constituting biological leaflet no.4.

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Main Author: Kelso, Leon H. (Leon Hugh), 1907-1982
Other Authors: Kelso, Estelle H.
Format: Book
Language:English
Published: [Lancaster, Pa.] : Intelligencer printing company, 1934.
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Call Number: 598.97 K29
598.97 K29 Available Place a Hold