National Geographic: Skyscrapers
National Geographic: Skyscrapers
Postcard, 18 September 1880
Letter, 28 December 1899
Letter, 3 September 1884
Letter, 3 September 1884
Letter, 21 March 1885
Letter, 21 March 1885
Letter, 27 October 1885
Letter, 27 October 1885
Letter, 26 October 1887
Letter, 15 April 1888
Letter, 18 April 1888
Letter, 24 October 1888