Here are entered works on swimming underwater using equipment. Works on plunging into a swimming pool or other body of water, often while executing acrobatic stunts, are entered under Diving.
Here are entered works on free diving with the use of mask, fins, and snorkel. Works on free diving with the use of a self-contained underwater breathing apparatus are entered under Scuba diving.
Here are entered works on swimming underwater using equipment. Works on plunging into a swimming pool or other body of water, often while executing acrobatic stunts, are entered under Diving.
Division of labor -- Congresses. / https://id.loc.gov/authorities/subjects/sh85038613 https://id.loc.gov/authorities/subjects/sh99001533 : Clegg, Stewart R.
Division of labor -- Europe -- Case studies. / https://id.loc.gov/authorities/subjects/sh85038613 https://id.loc.gov/authorities/subjects/sh85045631-781 https://id.loc.gov/authorities/subjects/sh99001484
Division of labor -- Southwest, New -- History. / https://id.loc.gov/authorities/subjects/sh85038613 https://id.loc.gov/authorities/subjects/sh85125669-781 https://id.loc.gov/authorities/subjects/sh99005024