The Wikipedia page seems like a decent summary, https://en.wikipedia.org/wiki/Historia_Augusta#Debates_on_dating https://en.wikipedia.org/wiki/Historia_Augusta#

The Wikipedia page seems like a decent summary, https://en.wikipedia.org/wiki/Historia_Augusta#Debates_on_dating https://en.wikipedia.org/wiki/Historia_Augusta#Debates_on_da... Anachronistic phrases and references seem to be what made Dessau doubtful of the origin.