Authors
- A History of Science, IV - Modern Development of the Chemical and Biological Sciences
- Dogs and All About Them
- Stories of Inventors
- Successful Stock Speculation
- A History of Science, II - The Beginnings of Modern Science
- Putnam's Word Book
- Elements of Foreign Exchange
- Aeroplanes and Dirigibles of War
- The Dominion of the Air - The Story of Aerial Navigation
- A History of Science, III - Modern Development of the Physical Sciences
- Dogs and All About Them
- Aeroplanes and Dirigibles of War
- Putnam's Word Book
- A History of Science, IV - Modern Development of the Chemical and Biological Sciences
- Stories of Inventors
- A History of Aeronautics
- The History of the Telephone
- American Encyclopedia - Biography
- Elements of Foreign Exchange
- American Encyclopedia - Travel