Francesco Gasparini, The Practical Harmonist at the Harpsichord, trans, David L. Burrow sand Frank Stuart Stillings (New Haven: Yale University Press, 1963) [discussion of Chapters II-VI, 17-47].
Thomas Chirstensen, “Thoroughbass as Music Theory,” in Partimento and Continuo Playing in Theory and in Practice, ed. Thomas (Christensen , Robert Gjerdingen, Giorgio Sanguinetti and Rudolf Lutz (Leuven: Leuven University Press, 2010), 9-41..
C. P. E. Bach, "Chapter Seven, Improvisation," in Essay on the True Art of Playing Keyboard Instruments, trans. William J. MItchell (NY: W.W. Norton, 1949), 430-45.
Thomas Christensen, "C.P.E. Bach's Versuch and its context in eighteenth-century thoroughbass pedagogy," in C.P.E. Bach, edit. David Schulenberg (London: Routledge 2016), 311-36.
Heinrich Schenker, "Chapter 7 on "The Art of Improvisation", trans. WIlliam J. Mitchell, in The Masterwork in Music,,v ol 1, 1925 (Dover, 2014).