Fantastic Stories Presents the Worlds of If Super Pack #2 / Positronic Super Pack Series Bd.30
Jr. Kurt Vonnegut, Mark Clifton, Mari Wolf, Charles L. Fontenay, Kenneth O'Hara, Charles V. de, Don Thompson, Lynn Venable, Winston Marks, Arnold Castle, R. A. Lafferty, Tom Godwin, Jr. Sam Merwin, Kris Neville, Jr. Ed M. Clinton, M. C. Pease, Jim Harmon, Robert J. Shea, Frank W. Coggins, Albert Teichner, William Campbell Gault, Horace B. Fyfe, Charles E. Fritch, E. E. Doc Smith, E. Everett Evans, Albert Hernhunter, Gene Hunter, Arthur G. Hill, Richard O. Lewis, John Sentry, Tom Leahy, Lester Del Rey, Frank M. Robinson, Jr. James Mckimmey, Milton Lesser, Keith Laumer