Letter, To: "Dear Sir", [n.d.].
The Barry-Hayes Papers are maintained at Independence Seaport Museum, Philadelphia, PA. For more information, visit www.phillyseaport.org/library. Handwritten across back page: "Mrs. John [?] requests the pleasure of W. Hayes company at tea on Friday evening Febry. 26th", and "W. Hayes, Locust St., February 19th".