Departments
W Instytucie działają obecnie następujące pracownie:
- Department of Polish Dialectology (in Warsaw)
- Department of Polish Dialectology
- Department of Etymology and Geolinguistics
- Department of the History of the 17th and 18th Century Polish
- Department of Old Polish
- Department of Medieval Latin
- Department of Methodology
- Department of Onomastics
- Department of Borderland Polish
- Department of Great Dictionary of Polish
