A (35)
B (51)
C (42)
D (19)
E (17)
F (17)
G (21)
H (13)
I (2)
J (1)
K (20)
L (67)
M (41)
N (22)
O (18)
P (39)
Q (1)
R (28)
S (48)
T (21)
U (5)
V (34)
W (22)
X (1)
Y (1)
Z (4)
- Lambach, StB
- Lamballe, Bibliothèque municipale
- Langley Marish, PC
- Laon, BM
- Le Havre, BM
- Le Mans, BM
- Leeds, UL
- Leicester, UL
- Leicester, WH
- Leiden, Universiteitsbibliotheek
- Leipzig, UB
- Leobendorf-Kreuzenstein, Sammlung Graf Wilczek
- León, Archivo Capitular de la Real Colegiata de San Isidoro
- León, Archivo Catedralicio
- Leuven, Maurits Sabbebibliotheek (KU Leuven)
- Liège, Bibliothèque du Séminaire Épiscopal
- Liège, Bibliothèque universitaire (ULiège Library)
- Lilienfeld, StB
- Lille, Archives départementales du Nord
- Lille, Médiathèque Jean Levy (Bibliothèque municipale)
- Lincoln, CCL
- Lincoln, DCM
- Linz, Bibliothek der Katholisch-Theologischen Hochschule
- Linz, Bischöflisches Priesterseminar
- Lisboa, Arquivo nacional da Torre do Tombo
- Lisboa, BN
- Liverpool, MCM
- Liverpool, PL
- Liverpool, UL
- Ljubljana, Narodne in univ. Knjiznice
- London, BL, Add.
- London, BL, Arundel
- London, BL, Burney
- London, BL, Cotton
- London, BL, Egerton
- London, BL, Harley
- London, BL, King's
- London, BL, Law society
- London, BL, Royal
- London, BL, Sloane
- London, BL, Stowe
- London, BL, Westminster
- London, British Library, Lansdowne
- London, Ch.
- London, CLRO
- London, GI
- London, Lambeth Palace Library
- London, LS
- London, MT
- London, SAL
- London, SC
- London, Southpark
- London, SPC
- London, UL, Senate House Library
- London, University College Library
- London, WA
- London, WHML
- Lons-le-Saunier, Bibliothèque municipale
- Los Angeles, J. Paul Getty Museum
- Louviers, Bibliothèque municipale
- Lübeck, Archiv der Hansestadt
- Lucca, Bibl. Statale
- Lucca, Capit.
- Lund, UB
- Lüneburg, Ratsbücherei
- Luxembourg, BN
- Lyon, BM