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Adventure [Vol. XXVII No. 6, Mid-December Issue (December 18), 1920] ed. Arthur Sullivant Hoffman (The Ridgway Company, 25¢, pulp, cover by Mayo Goldsmith)
Details supplied by Rob Preston from Table of Contents.
· [interior artwork] · John R. Neill · il; given as by John R. Neil.
Adventure [Vol. XXVIII No. 2, Mid-January Issue (January 18), 1921] ed. Arthur Sullivant Hoffman (The Ridgway Company, 25¢, pulp, cover by W. C. Tuttle)
Details supplied by Rusty Burke.