- Lumpkin, Wilson, 1783-1870--Correspondence1
- Lynching--Georgia1
- Madison, Dolley, 1768-18491
- Madison, James, 1751-18361
- Madison, James, 1751-1836--Inauguration, 18091
- Markets--Georgia--Louisville1
- Maryland. National Guard. Regiment, 5th1
- Mathematics--Study and teaching--Georgia--History--18th century1
- McDaniel, Henry D. (Henry Dickerson), 1836-1926--Correspondence1
- McPherson, James Birdseye, 1828-1864--Correspondence1
- McPherson, James Birdseye, 1828-1864--Death and burial1
- Medicine--Georgia1
- Medicine--Georgia--Augusta--History--18th century1
- Memorandums1
- Military orders1
- Military planning1
- Military uniforms--Georgia1
- Mills and mill-work--Georgia--White County1
- Mine buildings--Georgia--Haralson County1
- Mine shafts--Georgia--McDuffie County1
