"The Presbyterian Hospital, Fourth Avenue, between Seventieth and Seventy-First Streets, New York."Hansen, Bert, 1944-1872 November 16engHarper's Weekly (16:829), page 901. "Photographed by Rockwood, New York," but this is an engraving, not a half-tone. Text of "A New Hospital" begins: "The magnificent structure pictures on this page,…." Hansen database #88.