The International Observer of Science and Science Fiction
The International Observer of Science and Science Fiction was a fanzine edited by Frederik Pohl in the 1930's.
This publication included articles by H. P. Lovecraft, fiction by J. Harvery Haggard and Milton Rothman, and poetry by Clark Ashtomn Smith.
Contributors included James Blish, Edmond Hamilton, David H. Keller, A. Merritt, Ray Palmer, E.E. Smith, William Sykora, Jack Williamson and Donald Wollheim.