Marvel Comics Index #9B lists Dan Crespi as letterer.
Letters from Martin Cannon (Tarzana, CA), Doug Blair (Hometown, IL), and M.E. Robbins (Thousand Oaks, CA). accompanied by the Statement of Ownership. This sequence appears between pages 11 and 12 of the previous sequence.
Printed sideways at bottom of letters page. Statement of Ownership for September 20, 1976. Average paid circulation for the preceding 12 months was 134,319.