Textbook of salesmanship /

by Russell, Frederick Arthur n. 1886, Russell, Frederick Arthur n. 1886, Beach, Frank Herman n. 1895
Published 1959

Ventas : manual práctico /

by Russell, Frederick Arthur n. 1886, Russell, Frederick Arthur n. 1886, Buskirk, Richard Hobart 1927-, Beach, Frank Herman n. 1895
Published 1984