Fillmore, A. D. Fillmore's Harp of Zion: A Book of Church Music. Containing also A Concise Course of Instruction for Schools and Private Learners, on a Mathematically Constructed Plan of Notation. Cincinnati: R. W. Carroll & Co., (1867). 
Printed paper over card, both covers detached with portions of paper missing from the covers. Oblong 16.5 cm (6 1/2 x 9 3/4 inches), title page is detached, stained and tattered; binding shaken and almost split at center, some staining, tattered edges. 334 pp.; text complete. Poor. Hardcover.
This unusual tunebook replaces the shaped notes of a seven-note system with numbers. There is a number replacing the shaped-note for each sound. The music is in four parts.
With a signed provenance card from the collection of A. Merril Smoak, Jr., DWS.