In Quinti Horatii Flacci vitam... Suetonio Tranquillo conscriptam notas variorum collegit
suasque et commentarium perpetuum nec non synopsin chronologicam adjecit Dr. E. J.
Richter / Horace, 1830
Internet, http://catalog.loc.gov/, 20091203
Internet, http://cerl.sub.uni-goettingen.de/ct/, 20091203