^The epitomator of Cassius Dio (72.22) gives the story that Faustina the Elder promised to marry Avidius Cassius. This is also echoed in HA"Marcus Aurelius" 24.
Giacosa, Giorgio (1977). Women of the Caesars: Their Lives and Portraits on Coins. Translated by R. Ross Holloway. Milan: Edizioni Arte e Moneta. ISBN 0-8390-0193-2.
Lambert, Royston (1984). Beloved and God: The Story of Hadrian and Antinous. New York: Viking. ISBN 0-670-15708-2.
Levick, Barbara (2014). Faustina I and II: Imperial Women of the Golden Age. Oxford University Press. ISBN 978-0-19-537941-9.