Oopsla!

A mimeographed fanzine published by Gregg Calkins with thirty issues starting in January 1952 and ending in September 1961.

Science Fantasy News #15 said Oopsla! "…has some of the best fan writers, is one of the ’zines no self-respecting fan should miss."

#7 August-September 1952 26 mimeographed pages with Shelby Vick & others, plus coverage of the 1952 Worldcon
#8 October 1952 26 mimeographed pages with Bob Tucker & others
#9 January 1953 60 pages, first anniversary issue with Robert Bloch, Bob Tucker, Walt Willis, Richard Geis and others.
#10 1953 approximately 30 unnumbered pages with general fan material.
#11 January 1954 24 pages
#12 March 1954 22 pages
#13 May 1954 28 pages
#14 September 1954 28 pages
#15 October 1954 30 pages
#16 1954 32 pages
#17 May 1955 approximately 30 unnumbered pages with Walt Willis, Richard Lupoff and others.
#18 November 1955 approximately 30 unnumbered pages with Walt Willis, Dean Grenell and others.
#19 November 1955 30 pages
#20 January 1956 30 pages
#21 March 1957 30 pages
#22 September 1957 20 pages
#23 November 1957 approximately 20 unnumbered pages with Robert Bloch, Walt Willis, John Berry and others.
#24 1958 approximately 22 unnumbered pages with Walt Willis, and John Berry.
#25 1958 approximately 24 unnumbered pages with Robert Bloch, Walt Willis, John Berry and others.
#26 1958 approximately 24 unnumbered pages with Harry Warner, and John Berry.
#27 1959 approximately 26 unnumbered pages with Bob Tucker, Harry Warner, Dean Grenell, Ron Bennett and others.
#28-29, Part 1 October 1959 approximately 20 unnumbered pages with Horace Gold, Walt Willis, Harry Warner, Ron Bennett and others.
#28-29, Part 21 December 1959 approximately 22 unnumbered pages with Horace Gold, Walt Willis and others.
#29.5 March 1960 6 pages. This was also known as Interim #s 29-30.
#30 September 1961 approximately 40 unnumbered pages, Robert Bloch special issue, with Robert Bloch, Walt Willis, Bob Tucker & Dean Grenell, plus index to the first 30 issues & 2 covers by George Barr. Final issue.

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