MBCA Ministerio per i beni culturali e ambientali
MC Musée Carnavalet, Paris
M-C Mabre-Cramoisy
M&C The Magistrates & Council
MCA Museum of Contemporary Art
McC&D McCarty & Davis
McF McFarland
M.CT Middletown, CT
McGH McGraw-Hill
Md Mittenwald
MdAD Musée des Arts Décoratifs
MdB Meister der Baukunst
MdBA Musée des Beaux-Arts
MdBAC Musée des Beaux-Arts du Canada
MDHS The Maryland Historical Society
MdL Musée du Louvre
MdSK Museen der Stadt Köln
Me Melbourne
Mé Morancé
MéC México City, or México, D. F.
M&E Macdonald & Evans
Meg Merseburg
Mel Mellen
Mem. Memorial
Mer Mercatorfonds
Meur Moniteur
Mf Meulenhoff
MFA Museum of Finnish Architecture or Finnish Architectural Museum
M&FDCC The Master and Fellows of Downing College Cambridge
Mg Mardaga
Mh Middlesborough
MH Musée Horta
Mi Milan
M:I Mulgrave: Images
MiD Minotaur Designs
MiJ Michael Joseph
M.IL Monticello, IL
Mim Millstream
Min. Ministry
Mis Michaelmas
Mit Mitchell
MJ Marshall Jones
M&J Macdonald & Jane’s
MK Müszaki Könyvkladó
Ml Morel
ML Morgan Library
Mll Mansell
Mlo Monticello, VA
Mm Macmillan
MM Maltwood Museum
MmA Macmillan of Australia
MMA Metropolitan Museum of Art, New York, NY
M.MA Magnolia, MA
M.MN Minneapolis, MN
Mn Methuen
Mna Messina
MNdAdC Museu Nacional d’Art de Catalunya
Mo Montréal
MoB Modulo Books
MoCA Museum of Contemporary Art
MoM Moderna Museet
MoMA Museum of Modern Art
Mon Monnom
MoONA Museum of Our National Heritage
Mor Moreau
MoR Mougin-Rhiand
Mow Mowbray
MP Monacelli Press
M-R Munksgaard-Rosinante
Mr Muskovskii rabochii
Ms Menges
MS Medici Society
M-S Meiji-Shobo
MSB Merritt Starr Books
MSt Mount Stuart