Subjects
- Sick persons--Michigan--1890-1900.2
- Soldiers--American--1940-1950.2
- Travel--1900-1920.2
- Travel--United States--1890-1900.2
- Uniforms--United States--1930-1940.2
- Wars.2
- Actresses--1910-1920.1
- Aerial photography--Equipment and supplies.1
- Aerial reconnaissance, American--History--20th century.1
- Aerialists--New York (State)--Niagara Falls.1
- African American soldiers.1
- African Americans.1
- Agricultural laborers--Michigan.1
- Agricultural machinery & implements--Michigan.1
- Agriculture--Michigan.1
- Agriculture.1
- Air bases--American--Ohio--1910-1920.1
- Aircraft accidents--1910-1920.1
- Aircraft accidents--France--1940-1950.1
- Airplanes--1910-1920.1