Wayne University Press, 1953. Paperback of Exploration Unlimited: The Story of the Lewis and Clark Expedition (Cass Lectureship Series) by Raymond Darwin Burroughs.

Among the many projects which the president of the Detroit Historical Society recommends annually to the Trustees is a special program known as the Cass Lecture. Each year an invitation is extended to a prominent citizen who has made a scholarly study of a subject of historical or significant current interest to discuss his special research at a meeting of the Society.

Good condition. Solid book with shelf wear.