Graves (1848). Graves, John Thomas (1848), "Gracchanus, M. Junius", A Dictionary of Greek and Roman Biography and Mythology, London: John Murray, archived from the original on 10 August 2023, retrieved 8 August 2023.
Graves (1848). Graves, John Thomas (1848), "Gracchanus, M. Junius", A Dictionary of Greek and Roman Biography and Mythology, London: John Murray, archived from the original on 10 August 2023, retrieved 8 August 2023.