New Classics Series

These are cloth editions, but I'm including it because I couldn't find a good list anywhere else and these were low-cost reprint editions, a similar concept to the idea of quality paperbacks.

136 PW 1074 (Sept. 16, 1939) (announcing the launch of the New Classics Series with the publication of William Carlos Williams's In the American Grain, which was released as NCS 1 around December 1939).