Unkefer, Duane. Gray eagles Duane Unkefer. - 1st ed. - New York Beech Tree Books c1986. - 467 p. 24 cm. 920617 ISBN: 0688049729 LCCN: 85018600 Subjects--Topical Terms: World War--Fiction. LC Class. No.: PS3571.N76 / G7 1986 Dewey Class. No.: 813/.54