- Archival number: NA IA NANU, f. 16, spr. 266/2
- Author: V. Petrov
- Date: 1950s-1960s.
- Reproduction method: manuscript
- Number of pages: the site presents a fragment for informational purposes only
- Material: paper
- Description: Notes on Prussian grammar. Card index. Parts of speech (verb). Tenses (past, present, future)
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