The volume by I. Lana, Studi su il Romanzo di Apollonio re di Tiro, Torino 1975 is now available in the section "Modern studies on late antiquity" [Andrea Balbo]
Two 6th-century texts are now available on the DigilibLT website: the two sections of the Excerpta Valesiana (the so-called Anonymus Valesianus) that deal with the lives of Constantine and Theodosius, and the Chronicon by Marcellinus Comes. [R. Tabacco; tr. L. Battezzato]
A new text is now available on the DigilibLT website: Censorinus' De die Natali, a learned treatise written in 238 AD. [R. Tabacco; tr. L. Battezzato]