Epistulae imperatorum pontificum aliorum inde ab a. CCCLXVII usque ad a. DLIII datae Avellana quae dicitur collectio

This edition of the so-called ''Collectio Avellana'' was published in two volumes with a Latin commentary by the German scholar Otto Guenther in 1895-8. The collection consists of 244 documents dating from 367 to 553 and schism heresy and the restoration of papal control are recurring themes throughout the compilation.