Flash Gordon Conquers the Universe: #4 -... From: publicdomain

Lost City - Episode 2 - Tunnel of Death From: publicdomain

Lost City - Episode 3 - Dagger Rock From: publicdomain

Lost City - Episode 4 - Doomed! From: publicdomain

Lost City - Episode 5 - Tiger Prey From: publicdomain

Lost City - Episode 6 - Human Beasts From: publicdomain

Lost City - Episode 7 - Spider Man From: publicdomain

Lost City - Episode 8 - Human Targets From: publicdomain

Lost City - Episode 10 - The Lion Pit From: publicdomain

Lost City - Episode 11 - The Death Ray From: publicdomain

Lost City - Episode 12 - The Mad Scienti... From: publicdomain

Dick Tracy - Episode 9 - The Stratospher... From: publicdomain

Ace Drummond - Episode 1 - Where East me... From: publicdomain

Ace Drummond - Episode 2 - The Invisible... From: publicdomain

Ace Drummond - Episode 3 - The Doorway o... From: publicdomain

Ace Drummond - Episode 4 - The Radio Rid... From: publicdomain

Ace Drummond - Episode 5 - Bullets of Sa... From: publicdomain

Ace Drummond - Episode 6 - Evil Spirits From: publicdomain

Ace Drummond - Episode 7 - The Trackless... From: publicdomain

Ace Drummond - Ep. 8 - Secret Service From: publicdomain