found: Triumvirorum tragoediae Graecae Aeschyli, Sophoclis Euripidis pro singulari cucusque in scenam Graecorum tragicam merito adumbratam comparationem, 1822:t.p. (C. Fr. G. Toepfer, Imperialis Theatri Aulici Vindobonensis poeta)
found: D-NB Gemeinsame Normdatei online, 5 Apr. 2013(Töpfer, Karl; born 1792, died 1871; writer, actor, dramatist, theatre director)
found: Deutsche Biographie online, 5 Apr. 2013(Töpfer, Karl, i.e. Karl Friedrich Gustav Töpfer; dramatist; born 26 Dec. 1792 in Berlin; died 22 Aug. 1871 in Hamburg; in 1815 he moved to Vienna where he worked as an actor at the Wiener Hofburgtheater for six years; he defended his thesis at the University of Göttingen in 1822 and moved to Hamburg in the same year where he stayed until his death. He published various writings and plays in German)
