The Phantagraph was an amateur magazine from the 1930's published by Wollheim and Shepherd in New York, U.S.A. and edited by Donald Wollheim.
The Phantagraph was the retitled continuation of Wilson Shepherd's club magazine, The International Science Fiction Guild's Bulletin, a 4 page hektographed publication which first appeared in May of 1934. In July-August 1935 the first issue edited by Wollheim appeared, and this same issue was also the first printed issue which was produced by amateur publisher William Crawford. The Phantagraph was printed from typeset copy on wood pulp paper and stapled. The final issue was Volume 16, Number 1, released in February, 1946. As of the May 1940 issue, it was distributed through the Fantasy Amateur Press Association.
Writers for the publication include the editor, and Robert Barlow (Leaves), James Blish (The Planeteer), August Derleth, Dale Hart (Ichor), Robert E. Howard, H. C. Koenig (The Reader and Collector), Cyril Kornbluth, Damon Knight, Henry Kuttner, Frank Belknap Long, C.W. Lonsdell, Robert W. Lowndes, H. P. Lovecraft, A. Merritt, John B. Michel (Terrible Tales of Tittering Terror), Richard Ely Morse, Leslie Perri, Emil Petaja, Frederik Pohl (The International Observer of Science and Science Fiction), Milton A. Rothman (Fantasy Fiction Telegram), Clark Ashton Smith, Louis C. Smith, F. Orlin Tremaine, Richard Wilson, Farnsworth Wright, and Ray Zorn.
Donald Wolheim also co-edited Terrible Tales of Tittering Terror with John B. Michel, and The International Observer of Science and Science Fiction with co-editors John B. Michel and Frederick Pohl.