Wikipedia: https://en.wikipedia.org/wiki/Pocket_Books
A Report on Pocket Books, PW, Mar. 2, 1940, at 986-991.
Wallis E. Howe, Jr., Breaking Into New Markets, PW, Jan. 27, 1945, at 428-431 (Howe, vice-president of Pocket Books, looks at potential new markets for selling low-priced books).
Wallis E. Howe, Jr., Selling the Brave New World, PW, Mar. 3, 1945, at 1002-1003 (Howe, vice-president of Pocket Books, looks at how to sell books in these potential new markets).
Wallis E. Howe, Jr., The Market Is You, PW, May 26, 1945, at 2066-2068 (third article in series by Howe, vice-president of Pocket Books).
Wallis E. Howe, Jr., In Rebuttal, PW, Aug. 11, 1945, at 494-497 (final article in series on new markets by Howe, vice-president of Pocket Books).
Pocket Books Announces $1 "Collector's Editions," PW, June 10, 1950, at 2553-2555 (PB issues a $1 hardbound reprint series).
Freeman Lewis, A BRIEF HISTORY OF POCKET BOOKS (Pocket Books 1967).