Snipped from Wikipedia: In the period spanning the mid-1950s to the early 1970s, known as the Silver Age of Comic Books, Aquaman starred in a 56-issue namesake series (Feb. 1962 - April 1971). Seven additional issues, #57-63 (Sept. 1977 - Sept. 1978), later appeared.
The above 63 issues are contained in this torrent. Enjoy, seed, etc!