Source data found1. WWW National Museum of Americam History, 06/09/2018 (Parkinson & Frodsham) http://americanhistory.si.edu/collections/search/object/nmah_1277064
2. WWW VIAF, 06/09/2018 (Parkinson and Frodsham (Firm)) http://viaf.org/viaf/158807612