Sources:

• Angela and Henning von Einem Leica I Model A Variations - Hengela@aol.com
• Filippo Giunta Leica Screw Mount Cameras - A Systematic Approach ISBN 978-3-89506-147-9
• Willy Hahne Hahne Liste
• Theo Kisselbach Pocket Leica Book - Heering Publications 1952 - English Language Edition 1953 - 3rd Edition 1955 LCCN 56013566 Hove 7th Edition 2004 ISBN 9781874707349
• James Lager - 8 Books
• Dennis Laney - 9 Books
• Gunter Osterloh Leica M Advanced Photo School 1st Edition 1987 - Lark Books 2nd Edition 2005 - ISBN 9781579906375
• Erwin Puts Leica Lens Compendium - Hove Books 2003 - ISBN 9781897802175
• Gianni Rogliatti Leica: The First Fifty Years 1975 ISBN 9780906447055 Leica: The First Seventy Years Hove 2002 ISBN 9781874707257
• William White Photomacrography - An Introduction - Focal Press 1987 ISBN 0-240-51189-1

PDF Files of Leica Publications

• Mike Butkus Leica Library - donation requested - IC, If, IIf, III, IIIa, IIIc, IIIf, IIIg; M2, M3, M4-P, M5, M6, M6 TTL; Leicaflex, SL, R5, R4, R5, R-E, R6.2, R7, R8; Visoflex II / III; 1928, 1933, 1937, 1954 catalogs; Laney's 1984 Accessories
• Joe Chan's Manuals - M2, M3, M4-P, M5, M6 TTL, SL2, R6.2 and R7
• Summilux Documents - extensive Leitz/Leica pamphlets (French)
• Manufacturer's Literature for Current Photography Products
  • MP M7 M8 / M8.2 M9 Accessories M-series Lenses
    
  • R9 DMR R-series Lenses
  • CM V-Lux 1 Digilux 1 Digilux 2 Digilux 3 C-Lux 2 C-Lux 3 D-Lux 2 D-Lux 3 D-Lux 4 X1
• Willard D. Morgan; Henry M. Lester Internet Archive: Free Download: The Leica Manual A Manual For The Amateur And Professional Covering The Entire Field Of Leica Photography (1937 - text only file) - PDF Version (large file with pictures)

The Fontenelle Collection

• Media:The_Fontenelle_Collection_-_Doc.pdf - Pierre Jeandrain's comprehensive list of Leitz and Leica publications from his collection in PDF format.