R. U. R.
Karel Čapek
All-Story Weekly 1920-06-19 - The Light Machine
Argosy All-Story Weekly
Tarzan and the Valley of Luna
Edgar Rice Burroughs
Tarzan (7)
Tom Swift and His Undersea Search
Victor Appleton
Tom Swift (23)
City of Endless Night
Milo Hastings
A Voyage to Arcturus
David Lindsay
The People of the Ruins
Edward Shanks
The Thrill Book 1919-08-15 The Heads of Cerberus
Francis Stevens
The Thrill Book 1919-07-15 v02n02 Tales of the Double Man / ...
The Thrill Book
The Thrill Book 1919-07-01 v02n01 The Bibulous Baby
The Runaway Skyscraper
Murray Leinster
Preston-Hines (1)
Tom Swift and His Air Scout
Tom Swift (22)
The Doings of Raffles Haw
Arthur Conan Doyle
When the World Shook
H. Rider Haggard
When the Earth Melted
A. Wilkinson, Jr.
The Electrical Experimenter 1918-04 At War with the Invisible ...
The Electrical Experimenter
The Electrical Experimenter 1918-03 At War with the Invisible ...
Tom Swift and His War Tank
Tom Swift (21)
The Moving Picture Boys on the War Front
The Electrical Experimenter 1917-08 The Radio Bomb