Dell Sets Up Delta Quality Line; $5000 Fiction Prize, PW, Jan. 15, 1962, at 85-86.
Dell Announces Winner of First Delta Novel Award, PW, Mar. 30, 1964, at 35.
Notice, PW, Apr. 13, 1964, at 17 (full-page announcement of winner, Jeremy Larner's Drive, He Said).
Ad, PW, June 25, 1962, at 19 (listing first seven titles for September 1962).
Dell Introduces Delta Higher-Priced Paperbacks, PW, Aug. 13, 1962, at 37-38.
Modern Packaging in Dell's Delta Line, PW, Jan. 7, 1963, at 89-90.
Dell Programs on College Radio to Sell Delta Books, PW, Sept. 3, 1973, at 33.