Source: Notarized Certificate of Business, Wabash Co. Partnership & Firm Record Book 1, p. 48, August 13, 1923:

P. & S. Cancer Sales Co.
Treatment of Cancer
North Manchester, Ind.
Names of Firm Members/Partners:
Samuel P. Swank, resides at N. Manchester, Ind.
John H. Huntress, resides at N. Manchester, Ind.