• LITERARY HISTORY AND THEORY
  
  • Medieval Literature Department
  • Renaissance and Baroque Literature Department
  • Enlightenment Literature Department
  • Romanticism Literature Department
  • 2nd half of the 19th Century Literature Department
  • 20th and 21st Century Literature Department
  • Historical Poetics Department
  • Theoretical Poetics and Literary Language Department
  • Literary Communication in the PRL Period Department

• LITERARY DOCUMENTATION
  
  • 20th and 21st Century Literature Documentation Department
  • Current Bibliography Department (Poznań)
    
    
• LEXICOGRAPHY
  
  • 16th Century Polish Language Dictionary Department

2. RESEARCH & INFORMATION UNITS

• Literary Studies Information Center
  

3. RESEARCH GROUPS

• Text Criticism and Scientific Editing Center
• Holocaust Literature Research Center
• “Literature and Contexts” Group
• The "Polish Literature in the Europeam Cultural Space" Group
• The Juliusz Slowacki's Work's Documentation and Edition Group

4. PUBLISHING SECTION

• IBL PAN Publishing
• "Pamiętnik Literacki"
• "Teksty Drugie"

5. LIBRARY

6. ADMINISTRATION

7. ARCHIVES