Philadelphia 1700-2000: Maps and Images

Photographic images of Philadelphia from the Philadelphia City Archives, which holds approximately 2 million photos dating from the late 1800s, as well as the Athenaeum of Philadelphia.

Streaming video from NBC and CNN extending back to 1968.

The Library of Congress' digitized map collection can be searched by location. Images can be downloaded in high-resolution MrSID or JPEG2000 format, which require separate applications to view.

Guide from Bryn Mawr on researching history of Philadelphia places.

"Administered since 1933 through cooperative agreements with the National Park Service, the Library of Congress, and the private sector, ongoing programs of the National Park Service have recorded America's built environment in multiformat surveys comprising more than 350,000 measured drawings, large-format photographs, and written histories for more than 35,000 historic structures and sites dating from Pre-Columbian times to the twentieth century."

Scanned historic maps from the Philadelphia Area Consortium of Special Collections Libraries.

Historic ground plans and birds-eye perspective drawings of Philadelphia industrial sites.

Aerial photos of the mid-Atlantic region's towns, factories, and other sites prior to World War II.