- Market Street (Mannington, W. Va.)1
- Market Street (Parkersburg, W. Va.)17
- Market Street (Wheeling, W. Va.)10
- Market Street Bridge (Wheeling, W. Va.)1
- Marlinton (W. Va.)--Maps.1
- Marmet (W. Va.)1
- Marne River (France)1
- Marquis, W. V.1
- Marshall Street (Westover, W. Va.)1
- Martin Avenue (New Martinsville, W. Va.)1
- Martinsburg (W. Va.)--History--Civil War, 1861-1865.2
- Martinsburg (W. Va.)--Pictorial works.5
- Maryland Avenue (Morgantown, W. Va.)2
- Maryland Heights (Md.)14
- Maryland--Boundaries--West Virginia.1
- Maryland--History--Civil War, 1861-1865--Battlefields.4
- Maryland--History--Civil War, 1861-1865.1
- Maryland--Pictorial works.1
- Mason County (W. Va.)15
- Mason-Dixon Line.2
