title: 19th century dentistry advertising trade cards.
authors.forename: Theodore P
authors.initials: TP
authors.lastname: Croll
authors.forename: Ben Z
authors.initials: BZ
authors.lastname: Swanson
mesh_terms: D000329:Advertising / Q000266:history*; D006665:History of Dentistry; D049672:History, 19th Century; D009820:Ohio; D011215:Practice Management, Dental / Q000266:history; D014481:United States