_161 · [letter from Prairie Village, KS] · Whitney Knox · lt
_162 · [letter from San Francisco, CA] · Gene Fowler · lt
_162 · [letter from Los Angeles, CA] · John Hoggatt · lt
If [Vol. 17 No. 3, Issue 112, March 1967] ed. Frederik Pohl (Galaxy Publishing Corporation, 50¢, 164pp, digest, cover by McKenna)
Described as a “Special Hugo Winners Issue” on the cover.
If [Vol. 17 No. 11, Issue 120, November 1967] ed. Frederik Pohl (Galaxy Publishing Corporation, 60¢, 164pp, digest, cover: Thus Spake Marco Polo by Vaughn Bodé)
_162 · [letter from Baton Rouge, LA] · Thomas Miller · lt
If [Vol. 17 No. 12, Issue 121, December 1967] ed. Frederik Pohl (Galaxy Publishing Corporation, 60¢, 164pp, digest, cover: City of Yesterday by Douglas Chaffee)
If [Vol. 18 No. 1, Issue 122, January 1968] ed. Frederik Pohl (Galaxy Publishing Corporation, 60¢, 164pp, digest, cover: He That Moves by John Pederson, Jr.)