Sonne, Niels H. A Bibliography of Post-Graduate Masters' Theses in Religion. Chicago: The American Library Association, 1951. First Edition. 
Red cloth, original gray wrappers retained. 8 1/2 x 11 1/4 inches, 82 pp., ex library with labels and stamps. Good. Hardcover.
2,682 Master's thesis arranged by classification, with an alphabetical index. The scope was limited to those submitted to American Protestant theological seminaries. The compilation was of the theses then on the shelves of the seminaries surveyed. A skim through the listings finds dates ranging from the 1910s to the 1940s.
A scarce reference with some value to researchers.