1. Letters on syphilis: addressed to the chief editor of the Union médicale Author(s): Ricord, Ph., 1800-1889 Publication: Philadelphia : Hart, 1852 Subject(s): Syphilis
2. Letters on syphilis: addressed to the chief editor of l'Union médicale Author(s): Ricord, Ph., 1800-1889 Publication: Boston : Printed by D. Clapp, 1853 Subject(s): Syphilis
