Congratulations on SF-Magazine's 200th Issue

From Author Wars - https://authorwars.com/books/congratulations-on-sf-magazines-200th-issue-2044157.html

Overview:

Title: Congratulations on SF-Magazine's 200th Issue
Author: Isaac Asimov Brian W. Aldiss J. G. Ballard Ray Bradbury Arthur C. Clarke Harlan Ellison Philip José Farmer Robert A. Heinlein Frank Herbert Harry Harrison Frederik Pohl Robert Silverberg Donald A. Wollheim
Year: 1975
Type: Essays

Variant Titles:

1975. Congratulations on SF-Magazine's 200th Issue