On-sale date from copyright registration. On-sale date of April 26 in Comic Reader #95 a typo.
Cardy pencils and inks per Nick Caputo and as per our original indexer. Julius Schwartz's editorial records provided by DC Comics erroneously credited Dick Giordano with pencils and inks.
Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
Green Lantern also teams up with the Flash in full-length stories in The Flash #225 and 235.
Bottom third of page is ad for The House of Secrets #109 with an on sale date of April 24th.