http://www.gutenberg.org/ebooks/author/38937.opds 2024-11-16T11:56:13Z Books by Frenzel, Louis Daniel (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://www.gutenberg.org webmaster@gutenberg.org https://www.gutenberg.org/gutenberg/favicon.ico 25 1 2024-11-16T11:56:13Z https://sendtokindle.compellingsciencefiction.com/ebooks/37595.opds Ecological Studies of the Timber Wolf in Northeastern Minnesota L. David Mech, Louis Daniel Frenzel, Robert R. Ream, John W. Winship, and P. D. Karns