Abstract: Robert Anderson Van Wyck (1849-1918) was the first Mayor to take office after the consolidation of the City of New York in 1898. This collection consists of the subject files and correspondence of his administration.

Abstract: Seth Low (1850-1916) served as the Mayor of New York from 1902-1903. This collection consists of a selection of materials produced by his mayoral administration.

Abstract: William Jay Gaynor served as the 94th Mayor of the City of New York from 1910 to 1913. This collection contains the material generated by the daily workings of the Office of the Mayor during his mayoral administration.