Henderson, J. W. 1. (1957). Catalogue of a special exhibition of the J. Welles Henderson collection on the port of Philadelphia, at the Free Library of Philadelphia, Oct. 16, to Nov. 25, 1957: Commemorating the 275th anniversary of the landing of William Penn at Philadelphia. [Printed by the Anthoensen Press, Portland, Maine.

Henderson, J. Welles 1920-. Catalogue of a Special Exhibition of the J. Welles Henderson Collection On the Port of Philadelphia, At the Free Library of Philadelphia, Oct. 16, to Nov. 25, 1957: Commemorating the 275th Anniversary of the Landing of William Penn At Philadelphia. [Printed by the Anthoensen Press, Portland, Maine, 1957.

Henderson, J. Welles 1920-. Catalogue of a Special Exhibition of the J. Welles Henderson Collection On the Port of Philadelphia, At the Free Library of Philadelphia, Oct. 16, to Nov. 25, 1957: Commemorating the 275th Anniversary of the Landing of William Penn At Philadelphia. [Printed by the Anthoensen Press, Portland, Maine, 1957.