found: Sonata in D minor for violin, bass viol and continuo, 2009?:t.p. (Tassilo Erhardt)
found: Roosevelt Academy website, 21 Dec. 2009:Faculty and Staff » Arts & Humanities page (Dr. Tassilo Erhardt (1978))
found: OCLC, May 26, 2010(hdg.: Erhardt, Tassilo, 1978-; Erhardt, Tassilo Johannes, 1978; usage: Tassilo Erhardt, Tassilo Johannes Erhardt)
found: Liverpool Hope University web page, viewed May 12, 2015(Professor of musicology, Music Department; Joined the University in Sept. 2012; as a baroque violinist also performed around the globe)