701. Mattress Room, South Boston Workshop for the Blind Format: Photographs Collection: Manual Arts and Vocational Training Date: [ca. 1906] Institution: Perkins School for the Blind
702. Mattress Room, South Boston Workshop for the Blind Format: Photographs Collection: Manual Arts and Vocational Training Date: [ca. 1906] Institution: Perkins School for the Blind
703. Mattress Room, Workshop for the Blind, South Boston Format: Photographs Collection: Manual Arts and Vocational Training Date: 1906 Institution: Perkins School for the Blind
704. Mattress Room, Workshop for the Blind, South Boston Format: Photographs Collection: Manual Arts and Vocational Training Date: [ca. 1906] Institution: Perkins School for the Blind
705. Mattress Workshop Format: Photographs Collection: Manual Arts and Vocational Training Date: [ca. 1906] Institution: Perkins School for the Blind
706. Mattress Workshop, Perkins Institution Format: Photographs Collection: Manual Arts and Vocational Training Date: [ca. 1906] Institution: Perkins School for the Blind
707. Measuring Rows Format: Photographs Collection: Manual Arts and Vocational Training Date: 1950–1959 Institution: Perkins School for the Blind
708. Merry-go-round Format: Photographs Collection: Physical Education at Perkins School for the Blind Date: [ca. 1912–1938] Institution: Perkins School for the Blind
709. Merry-Go-Round Format: Photographs Collection: Physical Education at Perkins School for the Blind Date: [ca. 1890–1912] Institution: Perkins School for the Blind
710. Merry-go-round, Kindergarten for the Blind Format: Photographs Collection: Physical Education at Perkins School for the Blind Date: 1908 Institution: Perkins School for the Blind
711. Mid-air Long Jump Format: Prints Collection: Physical Education at Perkins School for the Blind Date: 1913 Institution: Perkins School for the Blind
712. Miss Elizabeth and Nellie Format: Photographs Collection: Students with Deafblindness at the Perkins School for the Blind Date: 1910 Institution: Perkins School for the Blind
713. Miss French with Kindergarten Boys Format: Photographs Collection: Physical Education at Perkins School for the Blind Date: 1909 Institution: Perkins School for the Blind
714. Miss French with Kindergarten Students Format: Photographs Collection: Physical Education at Perkins School for the Blind Date: 1908 Institution: Perkins School for the Blind
715. Miss Hafie and Nellie Format: Photographs Collection: Students with Deafblindness at the Perkins School for the Blind Date: 1906 Institution: Perkins School for the Blind
716. Model Airplanes, Perkins Institution Format: Photographs Collection: Manual Arts and Vocational Training Date: 1920–1960 Institution: Perkins School for the Blind
717. Motor Mechanics, Perkins Institution for the Blind Format: Photographs Collection: Manual Arts and Vocational Training Date: 1940–1949 Institution: Perkins School for the Blind
718. Motor Mechanics, Perkins Institution for the Blind Format: Photographs Collection: Manual Arts and Vocational Training Date: 1940–1949 Institution: Perkins School for the Blind
719. Motor Model T Mechanics, Perkins Institution for the Blind Format: Photographs Collection: Manual Arts and Vocational Training Date: 1940–1949 Institution: Perkins School for the Blind
720. Myra Heap Format: Photographs Collection: Students with Deafblindness at the Perkins School for the Blind Date: [ca. 1900–1920] Institution: Perkins School for the Blind