The Athonite Monastery of Karakallou – Slavic Presence and Slavic Manuscripts, Palaeobulgarica 25/1, (2001), 21–45.

The Byzantine Documents of the Athonite Monastery of Karakallou and Selected Acts of the Ottoman Period (1294–1835), Sofia 2015.

A Short Catalogue of the Slavic Manuscripts in the Docheiariou Monastery, Βυζαντινά Σύμμεικτα 14 (2001), 301–320.

The Early Years of the Bulgarian Athonite Monastery of Zographou (980-1279) and its Byzantine Archive, Sofia 2011.

The Medieval Greek and Bulgarian Documents of the Athonite Monastery of Zographou (980–1600), Critical Edition and Commentary of the Texts, (Университетска библиотека 516), Sofia 2014.

Authentic Medieval Slavic Documents Kept in the Bulgarian Athonite Monastery of Zographou (1342-1572), Cyrillomethodianum 21 (2016), 53-129.

False Chrysobull of Czar Stephen Dušan in the Archives of the Athonite Monastery of Zographou, Βυζαντινά 35 (2018), 161-186.

The relations between the athonite monasteries of Esphigmenou and Zographou from the 16th to the 18th century - A recently discovered archive evidence, Göttinger Beiträge zur Byzantinischen und Neugriechischen Philologie 3 (2003), 47–60.

A Short Catalogue of the Slavic Manuscripts in Vatopedi, Βυζαντινά Σύμμεικτα 10 (1996), 295–325.

The Athonite Monastery of Vatopedi from 1462 to 1707, Sofia 2008.

The Slavic Lingual Presence in the Athonite Capital of Karyai (The Slavic Manuscripts of the Protaton Library), Palaeobulgarica / Старобългаристика 24/1 (2000), 77–111.