FitzLyon, April. The Libertine Librettist: A Biography of Mozart's Librettist Lorenzo da Ponte. New York: Abelard-Schuman, 1957.
Detailed, informative biography.
Mandel, Oscar. "Mozart, Da Ponte, and Don Giovanni o il dissoluto punito," in The Theatre of Don Juan: A Collection of Plays and Views, 1630-1963, edited by Oscar Mandel, pp. 278-83. Lincoln: University of Nebraska Press, 1963.
Short history of the collaboration of Mozart and Da Ponte upon Don Giovanni, recounting the opera's progress and first performance. Writing of Mozart, Mandel concludes, "The point that his music is perfect while Da Ponte's libretti are merely agreeable does not need to be labored; still, the two men, one a king and the other a vassal, were inhabitants of the same moral and intellectual realm."
Oulibicheff, Alexander. "An Imaginary Conversation between Mozart and Da Ponte." In The World Treasury of Grand Opera: Its Triumphs, Trials and Great Personalities, edited by George R. Marek, pp. 286-94. New York: Harper & Brothers, 1957.
Reprints an imaginary conversation between Mozart and Da Ponte, with the two discussing a pending collaboration and each preening his own genius.
Rickett, Richard. "Wolfgang Amadeus Mozart." In his Music and Musicians in Vienna, pp. 14-30. Vienna: Georg Prachner Verlag, 1973.
Contains dismissive comments concerning "a certain Lorenzo da Ponte," who is portrayed, in his collaborations with Mozart, as a scapegrace and a rascal.