THE MASTER KEY SYSTEM in Twenty-Four Parts with Questionnaire and Glossary
Publ. by Author: St. Louis, MO, (1919). Paperback. 7 x 5", limp embossed black cloth, 488pp with index, covers heavily worn, extremities fraying, front inner hinge cracked, second leaf with corner removed; a well worn copy, but desirable. SWAF. More