Subject/Tag - Trapdoors

Beadle's Half-Dime Library

206. Dark Paul, the tiger king, or, Caught in his own trap
598. Flute, the singer detective, or, "Git Thar" Owney in a new role
747. Deadwood Dick Jr.'s doublet, or, The tandem team of Teddy's tailings

Beadle's Pocket Library

187. Dark Paul, the tiger king, or, Caught in his own trap