Here are entered works on sleeping and parlor cars owned and operated by the Pullman Company in trains run by various railroads in North America, and on parlor cars run in Europe by the Pullman Car Company. Works on sleeping cars owned and operated by railroads are entered under Sleeping cars (Railroads).
Here are entered works on equipment used to provide medical care. Works on equipment that provides the user with a safe supply of air or oxygen in an environment where air is unavailable or unsafe to breathe are entered under Breathing apparatus.
Pulp literature -- Authorship. / https://id.loc.gov/authorities/subjects/sh00004237 https://id.loc.gov/authorities/subjects/sh00006049 : Powers, Paul S.
Pulp literature -- Periodicals. / https://id.loc.gov/authorities/subjects/sh00004237 https://id.loc.gov/authorities/subjects/sh99001647 : Earle, David M.