A valedictory lecture : delivered before the students in the Eclectic Medical College of Pennsylvania, December 14th, 1855 Calkins, Marshall, 1828-1922. Eclecticism, Historical Worcester : Printed by Charles Hamilton, 1856 Eclectic Medical College of Pennsylvania. Lectures Text 25 p. nlm:nlmuid-9513802-bk 9513802 http://resource.nlm.nih.gov/9513802 English The National Library of Medicine believes this item to be in the public domain : https://creativecommons.org/publicdomain/mark/1.0/