Analog Science Fiction/Science Fact, April 1975

Mar. 1975←Apr. 1975→May 1975 Vol. XCV, No. 4 Cover illustration for "Crazy Oil" as noted in "In Times to Come" from the March 1975 issue. "AnaLog" (events) is inside front cover & is not listed in table of contents. The "Guest Editorial" comprises a pair of columns, one by F. Paul Wilson, one by Alan E. Nourse, giving opposing viewpoints. I'm listing them separately. The essay on (& by) Rick Sternbach is listed as a "Special Feature". In addition to the illustration on its title page, "To Be or Knot To Be" is decorated with a number of smallish, uncredited illustrations of various kinds of knots. The review of The Man Who Awoke spells the author's first name "Lawrence".
AnLab results for this issue from July -75 issue: Lifeboat (Part 3 of 3) 1,806/ Crazy Oil 2,193/ The Sixth Face 3,583/ Doing Lennon 3,587/ To Be or Knot To Be 4,133/ The full text and images of this edition are available at Luminist.org, see web page for link.