PALMER, CLAUDE IRWIN.
Plane and spherical trigonometry, by Claude Irwin Palmer & Charles Wilber Leigh. 4th ed.
PALMER, CLAUDE IRWIN. Plane and spherical trigonometry, by Claude Irwin Palmer & Charles Wilber Leigh. 4th ed. © 13Jul34, A73738. Clark F. Palmer & Ethel Palmer Swantz (C of C. I. Palmer) & Theresa P. Leigh (W of C. W. Leigh); 5Feb62; R290086.
Clark F. Palmer & Ethel Palmer Swantz|C of C. I. Palmer||Theresa P. Leigh|W of C. W. Leigh