- American Encyclopedia - Biography (165)
- Dogs and All About Them (165)
- The History of the Telephone (156)
- Putnam's Word Book (154)
- American Encyclopedia - Travel (153)
- American Encyclopedia - History, II (152)
- A History of Aeronautics (152)
- The Story of Alchemy and the Beginnings of Chemistry (150)
- American Encyclopedia - History, I (148)
- A History of Science, II - The Beginnings of Modern Science (145)
- George Gordon, Lord Byron (392)
- A (385)
- Hernando Cortez (377)
- William Penn (358)
- Peter the Great (354)
- Overland Journey to India (351)
- II. THE PROGRESS OF MODERN ASTRONOMY (344)
- Travels in Africa - Park Denham, Clapperton, Lander, and Others (326)
- Count Rumford (320)
- War with Russia - Alliance of England, France and Turkey (317)
- A History of Aeronautics (1,360)
- American Encyclopedia - Biography (1,328)
- American Encyclopedia - History, I (1,299)
- The History of the Telephone (1,238)
- American Encyclopedia - Travel (1,234)
- Aeroplanes and Dirigibles of War (1,229)
- American Encyclopedia - History, II (1,212)
- The Story of Alchemy and the Beginnings of Chemistry (1,210)
- Putnam's Word Book (1,196)
- Dogs and All About Them (1,194)
- Hernando Cortez (4,949)
- William Penn (4,217)
- Count Rumford (4,131)
- Peter the Great (4,053)
- John Howard (3,957)
- George Gordon, Lord Byron (3,912)
- War with Russia - Alliance of England, France and Turkey (3,903)
- Overland Journey to India (3,896)
- Travels in Africa - Park Denham, Clapperton, Lander, and Others (3,711)
- II. THE PROGRESS OF MODERN ASTRONOMY (3,508)