Plane Geometry / by H. S. Hall and F. H. Stevens

by Hall, H. S.

Plane Trigonometry / Richard Heineman

by Heineman, Richard

Plane trigonometry / by Fred W. Sparks and Paul K. Rees

by Sparks, Fred W.

Trigonometría plana / Nathan O. Niles

by Niles, Nathan O.

Trigonometría plana / por Fred W. Sparks

by Sparks, Fred W.

Plane trigonometri by Edwin S. Craley and Henry B. Evans / Edwin S. Crawley

by Crawley, Edwin S.

Plane Trigonometry; With Tables / Gordon Fuller

by Fuller, Gordon