All files are zipped. Some are scanned microfiche which is a bit blurry.

1936 - Comics Magazine #1 (56.3 MB - Scanned Microfiche)

1936 - Detective Picture Stories #1 (26 MB - Scanned Paper)

1933 - Reign of the Superman (Source: Defunct Superman Thru the Ages website)

1939 - Wonder Comics #1 (38.6 MB - Scanned Microfiche)

1939 - Silver Streak Comics #1 (37.9 MB - Scanned Microfiche)

1940 - Miracle Comics #1 (38.8 MB - Scanned Microfiche)

1940 - Target Comics #1 (49.8 MB - Scanned Paper)

1940 - Sure-Fire Comics #1 (23.3 MB - Scanned Microfiche)

1940 - Blue Bolt #2 (23.3 MB - Scanned Paper)

1940 - Wings Comics #1 (32.1 MB - Scanned Microfiche)

1940 - True Comics #1 (14.4 MB - Scanned Paper)

1941 - SpitFire Comics #1 (48.1 MB - Scanned Paper)

1946 - Spook Comics #1 (35.1 MB - Scanned Paper)

1946 - Tally-Ho Comics (19.3 MB - Scanned Paper)

1947 - Eerie Comics #1 (32 MB - Scanned Paper)

1948 - Murder Inc. #1 (39.4 MB - Scanned Paper)

1948 - Adventures into the Unknown #1 (43.8 MB - Scanned Paper)

1950 - Indians #1 (27.2 MB - Scanned Paper)

1951 - Long Bow #1 (17.8 MB - Scanned Paper)

1953 - White Indian #1 (#11 on cover, actually A-1 Comics #94) (15.9 MB - Scanned Paper)