Wynkoop Ann, wid., 334 Cedar.
Wynkoop, John W., dry goods, S W 6th & Callowhill.

Source:

M'Elroy, A., A. M'Elroy's Philadelphia Directory for 1837, Containing the Names of the Inhabitants, Their Occupations, Places of Business, and Dwelling Houses; also a List of the Streets, Lanes and Wharves; the City Officers, Public Institutions and Banks, Besides Other Useful Information, Philadelphia, Rackliff & Jones, Southwest corner of George and Swanwick Streets, 1837, p. 249.