Images for the exhibit were graciously provided by the following institutions...

Avery Architectural & Fine Arts Library, Columbia University
Augustus C. Long Health Sciences Library, Columbia University
Brooklyn Museum
Brooklyn Public Library
Columbia University Facilities
Getty Images
Library of Congress
Museum of the City of New York
National Agriculture Library
New-York Historical Society
New York National Association of the Advancement of Colored People
New York Public Library
NYC Municipal Archives
NYS Office of Parks, Recreation and Historic Preservation
Rare Book and Manuscripts Library, Columbia University
The New York Academy of Medicine
Underwood Photo Archives