| Mercer County Cultural and Heritage Commission |
Trenton |
Mercer |
Historical Society |
| Middlesex County Cultural and Heritage Commission |
North Brunswick |
Middlesex |
Historical Society |
| Monmouth County Historical Association |
Freehold |
Monmouth |
Historical Society |
| Morris County Historical Society |
Morristown |
Morris |
Historical Society |
| Miller-Cory House Museum |
Westfield |
Union |
Museum |
| Montclair Art Museum |
Montclair |
Essex |
Museum |
| Morris Museum |
Morristown |
Morris |
Museum |
| Museum of Early Trades & Crafts |
Madison |
Morris |
Museum |
| Museum of American Glass at Wheatonville Village |
Millville |
Cumberland |
Museum |
| Macculloch Hall Historical Museum |
Morristown |
Morris |
Museum |
| MacKenzie Museum |
Howell |
Monmouth |
Museum |
| Marine Mammal Stranding Center Museum |
Brigantine |
Atlantic |
Museum |
| Meadowlands Environment Center |
Lyndhurst |
Bergen |
Museum |
| Meadowlands Museum |
Rutherford |
Bergen |
Museum |
| Middlesex County Museum |
Piscataway |
Middlesex |
Museum |
| Monmouth Museum |
Lincroft |
Monmouth |
Museum |
| Morris Plains Museum |
Morris Plains |
Morris |
Museum |
| Metuchen - Edison Historical Society |
Metuchen |
Middlesex |
Historical Society |
| Madison Historical Society |
Madison |
Morris |
Historical Society |
| Magnolia Historical Society |
Magnolia |
Camden |
Historical Society |
| Mahwah Historical Society |
Mahwah |
Bergen |
Historical Society |
| Mansfield Township Historical Society |
Columbus |
Burlington |
Historical Society |
| Matawan Historical Society |
Matawan |
Monmouth |
Historical Society |
| Maurice River Historical Society |
Heislerville |
Cumberland |
Historical Society |
| Mauricetown Historical Society |
Mauricetown |
Cumberland |
Historical Society |
| Maywood Historical Committee |
Maywood |
Bergen |
Historical Society |
| Medford Historical Society |
Medford |
Burlington |
Historical Society |
| Medical History Society of New Jersey |
Lawrenceville |
Mercer |
Historical Society |
| Merchantville Historical Society |
Merchantville |
Camden |
Historical Society |
| Methodist Church Archives |
Madison |
Morris |
Historical Society |
| Metuchen-Edison Regional Historical Society |
Metuchen |
Middlesex |
Historical Society |
| Middletown Township Historical Society |
Middleton |
Monmouth |
Historical Society |
| Millburn-Short Hills Historical Society |
Short Hills |
Essex |
Historical Society |
| Milltown Historical Society |
Milltown |
Middlesex |
Historical Society |
| Millville Historical Society |
Millville |
Cumberland |
Historical Society |
| Monroe Township Historical Society |
Williamstown |
Gloucester |
Historical Society |
| Montclair Historical Society (MARCH) |
Montclair |
Essex |
Historical Society |
| Montville Historical Society |
Montviile |
Morris |
Historical Society |
| Mount Tabor Historical Society |
Mount Tabor |
Morris |
Historical Society |
| Munroe Township Historical Society |
Williamstown |
Gloucester |
Historical Society |
| Mount Olive Public Library |
Flanders |
Morris |
Library |
| Mercer County Library |
Lawrenceville |
Mercer |
Library |
| Madison Public Library |
Madison |
Morris |
Library |
| Mahwah Free Public Library |
Mahwah |
Monmouth |
Library |
| Monmouth County Library |
Manalapan |
Monmouth |
Library |
| Manasquan Public Library |
Manasquan |
Monmouth |
Library |
| Manville Public Library |
Manville |
Somerset |
Library |
| Maple Shade Library |
Maple Shade |
Burlington |
Library |
| Maplewood Memorial Library |
Maplewood |
Essex |
Library |
| Margate Public Library |
Margate |
Atlantic |
Library |
| Matawan-Aberdeen Public Library |
Matawan |
Monmouth |
Library |
| Maywood Public Library |
Maywood |
Bergen |
Library |
| Mendham Borough Library |
Mendham |
Morris |
Library |
| Mendham Township Public Library |
Mendham |
Morris |
Library |
| Metuchen Public Library |
Metuchen |
Middlesex |
Library |
| Merchantville Public Library |
Merchantville |
Camden |
Library |
| Middlesex Public Library |
Middlesex |
Middlesex |
Library |
| Middletown Township Public Library |
Middletown |
Monmouth |
Library |
| Midland Park Memorial Library |
Midland Park |
Bergen |
Library |
| Milford Public Library |
Milford |
Hunterdon |
Library |
| Millburn Free Public Library |
Millburn |
Essex |
Library |
| Milltown Public Library |
Milltown |
Middlesex |
Library |
| Millville Public Library |
Millville |
Cumberland |
Library |
| Monmouth Beach Public Library |
Monmouth Beach |
Monmouth |
Library |
| Monroe Township Public Library |
Monroe Township |
Middlesex |
Library |
| Montclair Public Library |
Montclair |
Essex |
Library |
| Montvale Free Public Library |
Montvale |
Bergen |
Library |
| Montville Public Library |
Montville |
Morris |
Library |
| Moorestown Public Library |
Moorestown |
Burlington |
Library |
| Morris Plains Public Library |
Morris Plains |
Morris |
Library |
| Morristown & Morris Township Library |
Morristown |
Morris |
Library |
| Mount Arlington Public Library |
Mount Arlington |
Morris |
Library |
| Mount Laurel Library |
Mount Laurel |
Burlington |
Library |
| Mountain Lakes Public Library |
Mountain Lakes |
Morris |
Library |
| Mountainside Public Library |
Mountainside |
Union |
Library |
| Mullica Hill Library |
Mullica Hill |
Gloucester |
Library |
| M. Allan Vogelson Library |
Voorhees |
Camden |
Library |
| Morris County Library |
Whippany |
Morris |
Library |
| Monroe Township Free Public Library |
Williamstown |
Gloucester |
Library |
| Middlesex County Archives & Records Management |
North Brunswick |
Middlesex |
Archive |
| Monmouth County Archives |
Manalapan |
Monmouth |
Archive |
| Morris County Heritage Commission |
Morris Plains |
Morris |
Archive |
| Maywood Station Historical Committee |
Maywood |
Bergen |
Historical Society |