Adorno, Gretel (Autor Personal)

. Aesthetic theory, 1984: t.p. (Gretel Adorno)

LC data base, 9-9-85 (hdg.: Adorno, Gretel)

Gretel Adorno. Briefwechsel, 1930-1940, 2005: t.p. (Gretel Adorno) jkt. (nee Karplus; b. 1902 in Berlin; d. 1993 in Frankfurt am Main)

Adorno, Th. W. Escritos musicales VI, obra completa, 19, 2014: title page (Gretel Adorno)