Incerti auctoris de Constantino Magno eiusque matre Helena libellus (Heydenreich)

Incerti auctoris de Constantino Magno eiusque matre Helena libellus. E codicibus primus edidit Eduardus Heydenreich.

• 1879: archive.org, archive.org (G), archive.org (G), archive.org (G), Hathi*, Google*, Google*, Google*, Google*, Google*.