His papers are held by the Historical Society of Pennsylvania in Philadelphia.

After his death, the Tower family bequeathed this collection to the Historical Society of Pennsylvania.

Records, including internal correspondence, are available for research use at the Historical Society of Pennsylvania.

His typescript autobiography is held by the Historical Society of Pennsylvania.

It has been published by the Historical Society of Pennsylvania since 1877.

He served as president of the Historical Society of Western Pennsylvania.

Robins was the 14th president of the Historical Society of Pennsylvania.

Five years later the group changed its name to Historical Society of Western Pennsylvania.

Her father is the director of the Historical Society of Pennsylvania.

She was the first woman elected to membership in the Historical Society of Pennsylvania.