The Edward T. LeBlanc Memorial Dime Novel Bibliography

Subject/Tag - Japurá River (Colombia and Brazil)

Beadle's Boy's Library of Sport, Story, and Adventure (Octavo edition)

106. The boy cruisers, or, Joe and Jap's big find

Beadle's Boy's Library of Sport, Story, and Adventure (Quarto edition)

80. The boy cruisers, or, Joe and Jap's big find

Beadle's Pocket Library

472. The boy cruisers, or, Joe and Jap's big find