Land, Aubrey C. (1912-1993)
- The Dulanys of Maryland: A Biographical Study of Daniel Dulany, the Elder (1685-1753) and Daniel Dulany, the Younger (1722-1797) (1955, 1968)
Larson, Kate Clifford
- Bound for the Promised Land: Harriet Tubman, Portrait of an American Hero (2003)
- The Assassin’s Accomplice: Mary Surratt and the Plot To Kill Abraham Lincoln (2008)
Latrobe, John H.B. (1803-1891)
- Maryland in Liberia: A History of the Colony Planted by the Maryland State Colonization Society under the Auspices of the State of Maryland, U.S. at Cape Palmas on the South-West Coast of Africa, 1833-1853 (1885)
Lemay, J. A. Leo (1935-2008)
- Men of Letters in Colonial Maryland (1972)
- The Life of Benjamin Franklin, 3 vols. (2006)
Lewis, Ronald L.
- Coal, Iron, and Slaves: Industrial Slavery in Maryland and Virginia (1979)
Lord, Walter (1917-2002)
- The Dawn’s Early Light (1972)
Lovejoy, David S. (1919-1999)
- The Glorious Revolution in America (1972, 1987)
Maddox, Lucy B.
- The Parker Sisters: A Border Kidnapping (2016)
- People of Rose Hill: Black and White Life on a Maryland Plantation (2021)
Main, Gloria L. (1933-)
- Tobacco Colony: Life in Early Maryland, 1650-1720 (1982)
Marbury, William L.
- In the Catbird Seat (1988)
Martin, Scott C.
- Devil of the Domestic Sphere: Temperance, Gender, and Middle-class Ideology, 1800-1860 (2008)
Mason, Sally D.
- Dear Papa, Dear Charley: The Peregrinations of an Aristocrat as Told by Charles Carroll of Carrolton and His Father, Charles Carroll of Annapolis, 3 vols., co-editor (2015)
Mazaroff, Stanley (1939-)
- A Paris Life, A Baltimore Treasure: The Remarkable Lives of George A. Lucas and His Art Collection (2018)
- Henry Walters and Bernard Berenson: Collector and Connoisseur, co-author (2020)
McCarthy, Michael P. (1938-2005)
- The Living City: Baltimore’s Charles Center and Inner Harbor Development, co-author (2002)
McCormac, Eugene Irving (1872-1943)
- White Servitude in Maryland, 1634-1820 (1904)
McCusker, John J. (1939-)
- Essays in the Economic History of the Atlantic World (2005)
- The Economy of British America, 1607-1789, co-author (2014)
McGrain, John W., Jr. (1931-2021)
- From Pig Iron to Cotton Duck: A History of Manufacturing Villages in Baltimore County (1988)
- Old Maryland Mills: A Portfolio (2020)
McSherry, James, Jr. (1819-1869)
- History of Maryland; From Its First Settlement, to the Year 1848 (1849)
McWilliams, Jane Wilson
- A Century of Caring: A History of Anne Arundel Medical Center, 1902-2002, co-author (2002)
- Annapolis, City on the Severn: A History (2011)
Melton, Tracy Matthew
- Hanging Henry Gambrill: The Violent Career of Baltimore’s Plug Uglies, 1854-1860 (2005)
Menard, Russell R. (1942-)
- Robert Cole’s World: Agriculture and Society in Early Maryland, co-author (1991)
Mereness, Newton D.
- Maryland as a Proprietary Province (1901)
- Travels in the American Colonies, 1690-1783, editor (1916)
Middleton, Arthur Pierce (1916-2009)
- A Virginia Gentleman’s Library: as Proposed by Thomas Jefferson to Robert Skipwith in 1771 (1952, 2012)
- Tobacco Coast: A Maritime History of Chesapeake Bay in the Colonial Era (1953)
- Annapolis on the Chesapeake (1988)
- Anglican Maryland, 1692-1792 (1992)
- Tercentenary Essays Commemorating Anglican Maryland, 1692-1792 (1992)
Millward, Jessica
- Finding Charity’s Folk: Enslaved and Free Black Women in Maryland (2015)
Mitchell, Charles W.
- Maryland Voices of the Civil War, editor (2007)
- Travels through American History in the Mid-Atlantic: A Guide for all Ages (2014)
- The Civil War in Maryland Reconsidered, co-editor (2021)
Morgan, Philip D. (1949-)
- Colonial Chesapeake Society, co-editor (1988, 1991, 2015)
- Slave Counterpoint: Black Culture in the Eighteenth-Century Chesapeake & Lowcountry (1998)
- Arming Slaves: From Classical Times to the Modern Age, co-editor (2006)
- Atlantic History: A Critical Appraisal, co-editor (2009)
Morris, John Gottleib (1803-1895)
- The Lords Baltimore (1874)
- The Germans of Baltimore (1893)
Morrow, Diane Batts (1947-)
- Persons of Color and Religious at the Same Time: The Oblate Sisters of Providence, 1828-1860 (2003)
Moyer, Teresa S. (1976-)
- Ancestors of Worthy Life: Plantation Slavery and Black Heritage at Mount Clare (2015)
Oberg, Michael Leroy (1964-)
- Dominion and Civility: English Imperialism, Native America, and the First American Frontiers, 1585-1685 (2003)
Olson, Sherry H.
- Baltimore: The Building of an American City (1976, 1980)
Owings, Donnell M.
- His Lordship’s Patronage: Offices of Profit in Colonial Maryland (1953)
Owsley, Douglas W. (1951-)
- Written in Bone: Bone Biographer’s Casebook, co-author (2009)