por DeGarmo, E. Paul (Ernest Paul), 1907-2000 [autor] | Canada, John R [autor] | Hass Weston, Ricardo Carlos [traductor].
por Grant, Eugene Lodewick, 1897- [autor] | Ireson, William Grant, 1914- [autor] | Leavenworth, Richard S [autor] | Hass Weston, Ricardo Carlos [traductor].