For the manuscript tradition, see:
http://pinakes.irht.cnrs.fr/notices/oeuvre/14703/
For the edition, see Bibliography.
Bibliography
Text:
Abicht, R., and Reichelt, C., "Quellennachweise zum Codex Suprasliensis. IV.," Archiv für slavische Philologie 20 (1898), 185-197.
Zaimov, J., and Capaldo, M., Suprasŭlski ili Retkov sbornik (Codex Supraslinesis or the Retkov Manuscript), (Sofia 1982-1983), 220-236.