Work ethic -- Miscellanea. / https://id.loc.gov/authorities/subjects/sh85148148 https://id.loc.gov/authorities/subjects/sh99001794 : Currey, Mason,
2014
1
7
Work ethic -- Russia (Federation) / https://id.loc.gov/authorities/subjects/sh85148148 https://id.loc.gov/authorities/names/n92056007-781 : Karacharovskiĭ, V. V.
Work ethic -- United States -- History. / https://id.loc.gov/authorities/subjects/sh2010119318 https://id.loc.gov/authorities/subjects/sh99005024 : Bernstein, Paul,