Pavel Petrovich Svinin, The Upper Bridge over the Schuylkill, Philadelphia—Lemon Hill in the Background, 1811–ca. 1813.
Joshua Rowley Watson, View of the Middle and Upper bridges on the River Schuylkill taken from the Old Waterworks Philadelphia 5th October 1816, 1816.
James Fuller Queen, Lemon Hill May 17th ’55, May 17 1855.
Library of Congress Authority File