Langenhorst - Lünen
- Langenhorst (see Specials: Handschriftencensus Westfalen)
St. Johannes
- Legden (see Specials: Handschriftencensus Westfalen)
St. Brigida
- Leipzig
Federal Administrative Court
German National Library: Book and Type Museum
City Libraries: Music Library, Becker Collection, City History Museum
University Library
- Lemgo (see also Specials: Manuscript Census Westphalia)
City Archive (Gymnasialbibliothek)
- Leverkusen-Bürrig (see Specials: Manuscript Census Rhineland, vol. 2)
Cath. parish St. Stephanus
- Lichtenthal (see BLB Karlsruhe)
Monastery
- Lindlar (see Specials: Manuscript Census Rhineland, vol. 2)
Cath. parish St. Severinus
- Lippborg (see Specials: Manuscript Census Westphalia)
St. Cornelius and Cyprian
- Lippetal-Herzfeld (see Specials: Handschriftencensus Westfalen)
St. Ida
- Lübeck
City Library
- Lüdinghausen (see Specials: Manuscript Census Westphalia)
St. Felicitas
- Lüneburg
Council Library
St. Michael's Knights Academy
- Lünen (see Specials: Handschriftencensus Westfalen)
St. Maria
- Lutherstadt Eisleben (see Specials: Eastern States)
- Lutherstadt Wittenberg (see Wittenberg)
