Salesmanship; Theory and Practice

Advertising Methods and Mediums

Panama in Pictures; Graphic Views of the Great new Waterway From Atlantic to Pacific, With a Full Description of the Canal and History of the Undertaking

Banking, Credit and Finance

Flying Machines

Questions and Answers for Automobile Students and Mechanics

New Knowledge Library

Automobiles Motors and Mechanism

Panama Canal

Motor Boats : Construction and Operation

Motor Boats, Hydroplanes, Hydroaeroplanes, Construction and Operation, with Practical Notes on Propeller Calculation and Design