Plane and spherical trigonometry with applications - Hart, William Le Roy, 1892- 4 0 16; 5 (Boston : D.C. Heath, 1964)
On cover : with tables.;Includes index.;Logarithmic and trigonometric tables, compiled by William L. Hart... Boston, New York [etc.] D. C. Heath and Company [c1933] (iii, 124 p.)
Keywords: 2 -- 0; 6; Plane trigonometry.;Spherical trigonometry. -- 20; 20; 2