The Library of Congress had photos of the Park Row Building in 1899 and 1912.
Park Row Building, 21 Park Row, 1899. Photo: Library of Congress, Prints and Photographs Division: Irving Underhill, LC-USZ62-125877 Park Row Building, 21 Park Row, 1912. Photo: Library of Congress, Prints and Photographs Division: Irving Underhill, LC-USZ62-127126.