Inspiring the salesman od Lovelace, Griffin M. 1876-

Selecting the salesman od Lovelace, Griffin M. 1876-

Training the salesman od Lovelace, Griffin M. 1876-

Making the sale od Vardaman, Ben R.

Keeping the salesman fit od Vardaman, Ben R.

Overcoming sales objections od Vardaman, Ben R.

Sales study of customer and goods od Vardaman, Ben R

Sales talk and language od Vardaman, Ben R