Jamaica, NY: Experimenter Publications, Inc., 1930. Large octavo, single issue, cover by Leo Morey, pictorial wrappers. Pulp magazine, bedsheet format. Fiction by John W. Campbell, Jr., A. Hyatt Verrill, Jack Williamson (p. 2 of a serial), and others. Tymm and Ashley, Science Fiction, Fantasy, and Weird Fiction Magazines, pp. 14-49.

Jamaica, NY: Experimenter Publishing Company, 1930. Large octavo, single issue, Cover by Frank R. Paul, pictorial wrappers. Pulp magazine, bedsheet format. Includes "Skylark Three," part 1, by E. E. Smith, the sequel to "The Skylark of Space." Also fiction by Edmond Hamilton. Tymm and Ashley, Science Fiction, Fantasy, and Weird Fiction Magazines, pp. 14-49.

Dunellen, NJ: Teck Publishing Corporation, 1932. Large octavo, single issue, cover by Leo Morey, pictorial wrappers. Pulp magazine, bedsheet format. Includes a John W. Campbell, Jr. story "The Last Evolution." Tymm and Ashley, Science Fiction, Fantasy, and Weird Fiction Magazines, pp. 14-49.

Jamaica, NY: Radio-Science Publications, Inc., 1931. Large octavo, single issue, cover by Leo Morey, pictorial wrappers. Pulp magazine, bedsheet format. Jack Williamson short story.

Jamaica, NY: Experimenter Publications, Inc., 1930. Large octavo, single issue, cover by Leo Morey, pictorial wrappers. Pulp magazine, bedsheet format. Part 3 of "The Universe Wreckers" by Edmond Hamilton. And a short story by John W. Campbell, Jr. Tymm and Ashley, Science Fiction, Fantasy, and Weird Fiction Magazines, pp. 14-49.

Jamaica, NY: Experimenter Publishing Company, 1930. Large octavo, single issue, cover by Leo Morey, pictorial wrappers. Pulp magazine. Includes "Piracy Preferred" by John W. Campbell, Jr.

Jamaica, NY: Experimenter Publications, Inc., 1930. Large octavo, single issue, cover by Leo Morey, pictorial wrappers. Pulp magazine, bedsheet format. Part 2 of "The Universe Wreckers" by Edmond Hamilton. And a short story by John W. Campbell, Jr. Tymm and Ashley, Science Fiction, Fantasy, and Weird Fiction Magazines, pp. 14-49.

Chicago: Ziff-Davis Publishing Company, 1942. Octavo, single issue, cover by H. W McCauley, pictorial wrappers. Pulp magazine. Fiction by Nelson Bond ("The Return of Lancelot Biggs), John Russell Fearn with four stories, threee using pseudonyms; "Thornton Ayre," "Frank Jones," and "Polton Cross," several other authors have multiple stories. Tymm and Ashley, Science Fiction, Fantasy, and Weird Fiction Magazines, pp. 14-49.

Chicago: Ziff-Davis Publishing Company, 1948. Octavo, single issue, cover by Robert Gibson Jones, pictorial wrappers. Pulp magazine.

Chicago: Ziff-Davis Publishing Company, 1950. Octavo, single issue, cover by Robert Gibson Jones, pictorial wrappers. Pulp magazine.

Jamaica, NY: Experimenter Publishing Company, 1930. Large octavo, single issue, Cover by Frank R. Paul, pictorial wrappers. Pulp magazine. Includes "Skylark Three," part 2, by E.E. Smith.

New York: The Frank A. Munsey Company, 1935. Octavo, single issue, cover by Albert Graef, pictorial wrappers. Pulp Magazine. Part one of "Jan in India" by Otis Adelbert Kline.