Bark-book (pustaha) in Batak Language, GTM-0066, Box: Shared Box 39. Georgetown University Manuscripts.
Bark-book (pustaha) in Batak Language, GTM-0066, Box: Shared Box 39. Georgetown University Manuscripts. https://findingaids.library.georgetown.edu/repositories/15/resources/12837 Accessed November 19, 2024.