Subject guides
- Life Science & Technology
- Linguistics
- Literary Studies
- Manuscripts, Archives and Letters outside Leiden
- Manuscripts, Archives and Letters: further information
- Maps in the Crowd
- Mathematics
- Medieval Manuscripts
- Middle Eastern Studies
- Molecular Science & Technology
- Newspaper articles (International)
- Newspaper articles (Netherlands)
- Papyrology
- Philosophy
- Philosophy: Global and Comparative Perspectives