Professions in process.
Rothstein
W G
WG
University of Maryland, Baltimore County 21228-5398, USA. rothstein@umbc2.umbc.edu
D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011364:Professional Practice / Q000266:history*; D014481:United States