20. Hist. August. p. 231. [Vopiscus, Florian. c. 1.]
Zosimus, 1. i. [c. 64, p. 56] p. 58, 59. Zonaras, 1. xii.
[c. 29, p. 609] p. 637. Aurelius Victor [de Caesar. c. 37]
says that Probus assumed the empire in Illyricum; an opinion
which (though adopted by a very learned man) would throw
that period of history into inextricable confusion.