Excerpt from The Boy With the U. S. Trappers
The Author desires to acknowledge the courtesy and assistance of Mr. E. W. Nelson, Chief of the U. S. Biological Survey, of Mr. J. S. Ligon, in charge of Biological Survey work for the state of New Это и многое другое вы найдете в книге The Boy With the U. S. Trappers (Classic Reprint) (Francis Rolt-Wheeler)