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.
Writers for the publication include the editor, and James Blish (The Planeteer), August Derleth, H.C. Koenig, Henry Kuttner, Frank Belknap Long, Robert W. Lowndes, H.P. Lovecraft, A. Merritt, Richard Ely Morse, Frederik Pohl (editor of The International Observer of Science and Science Fiction), Milton A. Rothman, Clark Ashton Smith, F. Orlin Tremaine, and Farnsworth Wright.