A sextet of sceptic texts has been collected in Stoic Six Pack 4 - The Sceptics: Pyrrhonic Sketches by Sextus Empiricus, Life of Pyrrho by Diogenes Laërtius, Sextus Empiricus and Greek Scepticism by Mary Mills Patrick,
The Greek Sceptics: from Pyrrho to Sextus by Norman MacColl
Stoics and Sceptics by Edwyn Bevan and Life of Carneades by Diogenes Laërtius.