The Siberian Sturgeon (Acipenser baerii, Brandt, 1869) Volume 1 - Biology

This book, "A manual for teachers to accompany the Southworth-Stone arithmetics", by Gordon A. Southworth, John C. Stone, is a replication of a book originally published before 1904. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible.