Justice League of America (Vol. 1) #49, 50, 51, 52, 56 - The Negative-Crisis on Earths One-Two! - 5 Comic - EO - 1966/1967
Superman's Girl Friend Lois Lane #70 - The Catwoman's Black Magic! - 1st appearance of Catwoman in the Silver Age - 1 Comic - EO - 1966
Detective Comics #359 - The Million Dollar Debut of Batgirl! - 1st appearance and origin of Batgirl, Barbara Gordon - 1 Comic - EO - 1967
