New York City: Order of Acorns banner at the approach to Brooklyn Bridge, looking north, undated. Stereograph.

New York City: Vesey Street looking east, showing 15 Park Row, the Park Row Building, undated. Stereograph.

New York City: 16th Street looking west toward Sixth Avenue, undated. Stereograph.

New York City: pushcart market, First Avenue and 10th Street, undated. Stereograph.

New York City: pushcart market, First Avenue and 14th Street, undated. Stereograph.

Manhattan: rooftop view of Lower Manhattan from the northeast, including the elevated railroad, undated (ca. 1905).

Manhattan: Herald Square, 1909. Elevated train line visible.

Unidentified Broadway-Seventh Avenue IRT station, undated [ca. 1921].

Grand Street [i.e. Grand Avenue] station, undated [ca. 1921]. Probably the 30th Avenue-Grand Avenue BMT station in Astoria, Queens.

End of elevated subway line construction at 241st Street and White Plains Road, Bronx, May 12, 1915. Photographed for Joseph P. Day.

Elevated subway line structure and station at White Plains Road and Baychester Avenue, looking north, Bronx, May 12, 1915. Photographed for Joseph P. Day.

Elevated train station at 233rd Street and White Plains Road, Bronx, April 28, 1916. Photographed for Joseph P. Day.

View looking east from the el station at 233rd Street and White Plains Road, Bronx, April 28, 1916. Photographed for Joseph P. Day.

View looking west from the el station at 233rd Street and White Plains Road, Bronx, April 28, 1916. Photographed for Joseph P. Day.

Unidentified elevated train station under construction, [Bronx?], undated [ca. May 1916].

Unidentified stretch of train / trolley tracks, [Bronx?], undated [ca. May 1916].

Unidentified elevated trains and tracks, Bronx (?), undated (ca. July-August 1918).

Unidentified elevated trains and tracks, Bronx (?), undated (ca. July-August 1918).

Unidentified elevated trains and tracks, Bronx (?), undated (ca. July-August 1918).

Unidentified elevated trains and tracks, Bronx (?), undated (ca. July-August 1918).

High angle view of Starlight Park, Bronx, undated (ca. August 9, 1918). Elevated train tracks in foreground.

High angle view of Starlight Park, Bronx, August 9, 1918. Elevated train tracks in foreground.

High angle view of a section of the Bronx adjacent to Starlight Park, August 9, 1918. Part 3 of a panorama, with Starlight Park visible.

Elevated station at Beach 59th Street, Averne, Rockaway, Queens, undated (ca. December 1918). Photographed for Joseph P. Day.