The copyright page contains the ISBN and the LCCN (74-136331).
Year of publication stated on the title page. Month of publication from the code "5/71" printed on the back flap of the dustjacket. "Published May 10, 1971" on copyright page of fourth and fifth printings on Archive.org.
"Jacket design by Paul Bacon" printed at the bottom of the front flap of the dustjacket.
A publisher's error gave the same ISBN to another publication (MF by Anthony Burgess). The correct WorldCat record is 752139475.