Winter Tree Identification for the Southern Appalachians and PiedmontDonald Hagan, Crystal Strickland, Hailey Malone · First published 2019Open the Tome
Strategy in the American War of IndependenceKenneth J. Hagan, Donald J. Stoker · First published 2009Open the Tome
Strategy in the American War of IndependenceDonald Stoker, Kenneth J. Hagan · First published 2009Open the Tome
The effects of exhaustive swimming of varying durations on the myoglobin content of rat cardiac and skeletal muscle tissueR. Donald Hagan · First published 1975Open the Tome
