Street map of Reading, Pennsylvania, 1872
Darby, Delaware County, Pennsylvania, 1877
History of Belfield (1934)
Images from ‘The Water Supply of the City of Philadelphia by a proposed Aqueduct from Norristown Dam’
Frankford Creek: Sad History of an Urban Stream title page
Upper Darby map, 1877
Penn’s Treaty with the Indians (Watson’s Annals)
Benezet House, Clarke’s Hall, and Chestnut St. Bridge (Watson’s Annals)