Herman A. Blumenthal photograph collection, approximately 1905-1939

: Bethesda Fountain, Central Park, New York City, undated (ca. 1905-1909).; New-York Historical Society

: Streetcar, New York City, undated (ca. 1900-1909).; New-York Historical Society

: Streetcar, New York City, undated (ca. 1900-1909).; New-York Historical Society

: Streetcar, New York City, undated (ca. 1900-1909).; New-York Historical Society

: Carnegie Mansion, Fifth Avenue and 90th Street, New York City, undated (ca. 1900-1909).; New-York Historical Society

: Carnegie Mansion, Fifth Avenue and 90th Street, New York City, undated (ca. 1900-1909).; New-York Historical Society

: P.S. 171, New York City, undated (ca. 1900-1909).; New-York Historical Society

: P.S. 171, New York City, undated (ca. 1900-1909).; New-York Historical Society

: Shepard Hall, City College of New York, New York City, undated (ca. 1900-1909).; New-York Historical Society

: Shepard Hall, City College of New York, New York City, undated (ca. 1900-1909).; New-York Historical Society

: Shepard Hall, City College of New York, New York City, undated (ca. 1900-1909).; New-York Historical Society

: Shepard Hall, City College of New York, New York City, undated (ca. 1900-1909).; New-York Historical Society

: Shepard Hall, City College of New York, New York City, undated (ca. 1900-1909).; New-York Historical Society

: Pennsylvania Station, undated (ca. 1910-1913).; New-York Historical Society

: William A. Clark mansion, 952 Fifth Avenue, New York City, undated (ca. 1900-1909).; New-York Historical Society

: William A. Clark mansion, 952 Fifth Avenue, New York City, undated (ca. 1900-1909).; New-York Historical Society

: The Singer Building, 149 Broadway, New York City, undated (ca. 1900-1909).; New-York Historical Society

: The Singer Building, 149 Broadway, New York City, undated (ca. 1900-1909).; New-York Historical Society

: Panorama of the lower Manhattan skyline, New York City, undated (ca. 1900-1915).; New-York Historical Society

: Panorama of the lower Manhattan skyline, New York City, undated (ca. 1900-1915).; New-York Historical Society

: Panorama of the lower Manhattan skyline, New York City, undated (ca. 1900-1915).; New-York Historical Society

: Panorama of the lower Manhattan skyline, New York City, undated (ca. 1900-1915).; New-York Historical Society

: Washington Square Park Arch, Washington Square, New York City, undated (ca. 1905-1909).; New-York Historical Society

: Washington Square Park Arch, Washington Square, New York City, undated (ca. 1905-1909).; New-York Historical Society

: New York City Aquarium at Castle Garden, New York City, undated (ca. 1900-1915).; New-York Historical Society

: The Singer Building, 149 Broadway, New York City, undated (ca. 1900-1909).; New-York Historical Society

: Shepard Hall, City College of New York, New York City, undated (ca. 1900-1909).; New-York Historical Society

: Townsend Harris Hall, City College of New York, New York City, undated (ca. 1900-1909).; New-York Historical Society

: Townsend Harris Hall, City College of New York, New York City, undated (ca. 1900-1909).; New-York Historical Society

: Wingate Hall, City College of New York, New York City, undated (ca. 1900-1909).; New-York Historical Society

: View down Madison Avenue to Madison Square Garden and the Metropolitan Life Insurance Building, New York City, undated (ca. 1900-1909).; New-York Historical Society

: Night view of the rear of the New York Public Library main branch and Bryant Park, New York City, undated (ca. 1900-1909).; New-York Historical Society

: Night view of the rear of the New York Public Library main branch and Bryant Park, New York City, undated (ca. 1900-1909).; New-York Historical Society

: Night view of the rear of the New York Public Library main branch and Bryant Park, New York City, undated (ca. 1900-1909).; New-York Historical Society

: Night view of the rear of the New York Public Library main branch and Bryant Park, New York City, undated (ca. 1900-1909).; New-York Historical Society

: Night view of the rear of the New York Public Library main branch and Bryant Park, New York City, undated (ca. 1900-1909).; New-York Historical Society

: View of lower Manhattan from across the East River, New York City, undated (ca. 1900-1909). The Singer Building, Pier 15 and Pier 13 (Mallory Line) visible.; New-York Historical Society

: Portion of the Columbia University campus, under construction, New York City, undated (ca. 1910-1913).; New-York Historical Society

: The Municipal Building under construction, New York City, undated (ca. 1912).; New-York Historical Society

: The Vanderbilt Hotel and A.T. Stewart's 'Working Women's Hotel,' Park Avenue and E. 34th Street, New York City, undated (ca. 1912).; New-York Historical Society

: High Bridge over the Speedway and Harlem River, New York City, undated (ca. 1912).; New-York Historical Society

: High Bridge over the Speedway and Harlem River, New York City, undated (ca. 1912).; New-York Historical Society

: High Bridge over the Speedway and Harlem River, New York City, undated (ca. 1912).; New-York Historical Society

: High Bridge over the Speedway and Harlem River, New York City, undated (ca. 1912).; New-York Historical Society

: High Bridge over the Speedway and Harlem River, New York City, undated (ca. 1912).; New-York Historical Society

: High Bridge over the Speedway and Harlem River, New York City, undated (ca. 1912).; New-York Historical Society

: High Bridge over the Speedway and Harlem River, New York City, undated (ca. 1912).; New-York Historical Society

: High Bridge over the Speedway and Harlem River, New York City, undated (ca. 1912).; New-York Historical Society

: High Bridge over the Speedway and Harlem River, New York City, undated (ca. 1912).; New-York Historical Society

: Goethals Hall and Baskerville Hall, City College of New York, New York City, undated (ca. 1900-1909).; New-York Historical Society