U.S. Copyright Renewals 1950 - 1977
Chapter 144
Anderson, G. O. Banting & Elda L. Merton. Special state ed. © on revisions & additions; 29Aug34; A77326. Holt. Rinehart & Winston, Inc. (PWH); 18Jul62; R298219.
The triangle arithmetics. Grade 7,
U.S. Copyright Renewals 1950 - 1977
Anderson, G. O. Banting & Elda L. Merton. Special state ed. © on revisions & additions; 29Aug34; A77326. Holt. Rinehart & Winston, Inc. (PWH); 18Jul62; R298219.
The triangle arithmetics. Grade 7,