Lang, SergeA First Course in Calculus New York Springer-Verlag 1993 5th Hard Cover Very Good No Dust Jacket Hard Cover Near Fine. Very minimal wear to cover and edges. 624 pages plus lengthy appendices.
Lyman M. KellsElementary Differential Equations New York McGrawHill Book Company, Inc. 1947 3rd Hard Cover Very Good No Dust Jacket Hard Cover Price and name on first page. Fep missing. Clean otherwise. Nice maroon cloth cover with slight wear. 312 pages.