Louis van Beethoven's Studies in thorough-bass, counterpoint and the art of scientific composition, collected from the authograph [!] posthumous manuscripts of the great composer, and first published, together with biological notices
Beethoven, Ludwig van, 1770-1827; Seyfried, Ignaz, Ritter von, 1776-1841; Pierson, Henry Hugo, 1815-1873, ed & tr