Shepherd, William John, and Corrigan, Mary Beth. 'Becoming a Capital City: The Photographs of Terence Vincent Powderly,' Washington History (No. 2: 2012), pp. 116-135.
Shepherd, William John. ‘Terence Powderly: Labor Leader, Civil Servant, Photographer,’ Potomac Catholic Heritage (24), Summer 2012, pp. 19-23.
An inventory of the Terence Vincent Powderly Papers at The American Catholic History Research Center and University Archives
The Terence Vincent Powderly Photographic Prints Digital Collection
Terence Vincent Powderly and Ellis Island, 1897-1901