Project / Collection
- 19th Century Bulgarian Manuscript Collections2
- Additional Manuscripts7
- Arundel Manuscripts3
- Book heritage of Ural Old Believers71
- Greek Manuscripts11
- Harley Collection4
- Manuscripts and Archival Documents of Russian Old Believers Escapists136
- Manuscripts and books in private collections of Old Believers of Transbaikalia86
- Old believers communities in Kostroma region: Early Cyrillic books and manuscripts15
- Serbian musical collections from Zemun in 19th and early 20th centuries4
- Surrogates1
- Textual heritage of the taiga Old Believers' skit151
- Ukrainian scientific heritage of the late 19th and early 20th century31