Eyer, Henry C. Die Union Choral Harmonie...The Union Choral Harmony (German and English). Philadelphia: Stereotyped by John Fagan | Printed by J. Vancourt, 1839. Tenth Edition, with Additions and Improvements. 
Leather spine with peach printed paper boards, boards darkly stained & scuffed, both detached, lacks much of the spine leather. Oblong 16 cm (6 1/2 x 10 1/4 inches), 1850s & 60s owner's signatures on the ffeps, blue oval bookseller's ticket "York, Pa" inside front. First 2 text leaves attached to detached front board. xvi., 192 pp., text complete. Good. Hardcover.
The complete title in English is, The Union Choral Harmony, consisting of Sacred Music, With German and English lines to each tune, adapted to the use of Christian Churches of every denomination, comprising a number of the most popular Melodies in the United States; to which is added a number of tunes which have never before been published, some of which have been lately composted for this work, by different authors. Together with a concise introduction to the Art of Singing; for the use of Scholars and persons wishing to qualify themselves for participating in Divine Worship. By Henry C. Eyer, of Selinsgrove, Union County, Pa.
Stanislaw 62. A four-shape shaped-note tunebook.
With a signed provenance card from the collection of A. Merril Smoak, Jr., DWS.