Subjects
- Interiors--1890-1900.1
- Interiors--Washington (D.C.)--1900-1910.1
- Lakes & ponds--1890-1900.1
- Leisure--1890-1900.1
- Locks (Hydraulic engineering)--1880-1890.1
- Lumber industry--United States.1
- Lumber industry.1
- Machine shops--1910-1920.1
- Mexicans.1
- Milestones--Massachusetts.1
- Military facilities--Kansas--American--1910-1920.1
- Military facilities--Virginia--American--1910-1920.1
- Military officers--American--1910-1920.1
- Military training--Kansas--American--1910-1920.1
- Military training--Ohio--1910-1920.1
- Military training--Virginia--American--1910-1920.1
- Mining--United States.1
- Monuments & memorials--1880-1890.1
- Monuments & memorials--Massachusetts.1
- Moorish revival (Architecture)1