Plane geometry, by C.A. Hart ... and Daniel D. Feldman ... with the editorial coöperation of J.H. Tanner and Virgil Snyder ...C. Hart1911EN
Plane and solid geometry, by C. A. Hart and Daniel D. Feldman. With the editorial cooperation of J. H. Tanner and Virgil Snyder.C. A. b. Hart1912EN