Stempnik, A. Caspar Joseph Mertz, Leben und Werk ... c1990 p. 57, etc. (b. 8-17-1806 in Pressburg, Hungary (Pozsony), now part of Bratislava, Czechoslovakia; Casparus Josephus Mertz; name definitely not Johann Kaspar as given in most sources, but Josef Kaspar; however, order of forenames not certain; newspaper reports used K. or C. Mertz; some works signed K. Mertz, later works with initials J.K.; an early source incorrectly listed his forenames as Johann Kaspar; d. 10-14-1856)
Mertz, J.K. Originalstücke und Arrangements für Gitarre (leicht bis mittel), c1999 t.p. (Joseph Kaspar Mertz)
Grove music online, Jan. 11, 2007 RISM online, Jan. 11, 2007.