Bob Olsen

Chad Arment with Edgar Allen Poe (Contributor), Rudolph De Cordova (Contributor), H.G. Wells (Contributor), W.L. Alden (Contributor), George Griffith (Contributor), Herbert D. Ward (Contributor), Algernon Blackwood (Contributor), Alexander Harvey (Contributor), Jack London (Contributor), Martin Swayne (Contributor), Patrick Dutton (Contributor), Bob Olsen (Contributor)

Black Cat Weekly #130

Robert Lopresti with Hal Charles (Contributor), Leslie Karst (Contributor), Hal Meredith (Contributor), Dick Donovan (Contributor), Leslie Waltham (Contributor), Lester del Rey (Contributor), Leslie Waltham (Contributor), C.M. Kornbluth (Contributor), Bob Olsen (Contributor), John York Cabot (Contributor)

Bob Olsen, John W. Campbell Jr.