The musical writings and music of Robert Lucas Pearsall - Wilson, Tramel R.; Pearsall, Robert L. 1795-1856 (Univ. Microfilms, 1976)
Diss. North Texas State Univ. 1975. - Xerokopie. - Enth. S. 310-401: Tu es Petrus [Chorpart.], Tenebrae [Part. m. lat. Text], Ecce quam bonum (Ps. 132) [Part. m. lat. Text]