Invitation reads: Mr. Whistler's "Ten o'clock." Prince's Hall, Piccadilly. On the evening of Feb. 20. Carriages at 11. Tickets can be obtained at all The Libraries. Invitation was for Whistler's lecture of his theories on art.
James McNeill Whistler to Katherine Prince, 1885 Feb. 20. Katherine Prince collection relating to James McNeill Whistler, 1835- 1892. Archives of American Art, Smithsonian Institution.
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Archives of American Art, Smithsonian Institution Washington, D.C. 20560