The Olmsted Papers project is supported by the National Endowment for the Humanities, the National Historical Publications and Records Commission, the National Trust for the Humanities, the National Association for Olmsted Parks, as well as private foundations and individuals.

This latest volume presents the record of his last years of residence in New York City. It includes reports on the design of Riverside and Morningside parks and Tompkins Square in Manhattan, as well as his comprehensive plan for the street system and rapid transit routes of the Bronx.