title: Hugo Herman Schaefer (1891-1967): pharmacy's volunteer.
authors.affiliation: Lloyd Library and Museum, Cincinnati, Ohio, USA.
authors.forename: Dennis B
authors.initials: DB
authors.lastname: Worthen
mesh_terms: D000533:Altruism; D000077406:History of Pharmacy; D049673:History, 20th Century; D012957:Societies, Pharmaceutical / Q000266:history* / Q000458:organization & administration; D014481:United States; D014838:Volunteers / Q000266:history