Medicine an aggregate of progressive sciences the valedictory address at the commencement of the University of Maryland, March 9th, 1867 This book, "Medicine an aggregate of progressive sciences the valedictory address at the commencement of the University of Maryland, March 9th, 1867", by F. Donaldson, is a replication of a book originally published before 1867. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.