"Biography of Isaac Katz (1879-1956), Owner of Katz Drug Stores"
Coleman, Daniel. "Biography of Isaac Katz (1879-1956), Owner of Katz Drug Stores." Missouri Valley Special Collections, Kansas City Public Library, 2007.
Coleman, Daniel. "Biography of Isaac Katz (1879-1956), Owner of Katz Drug Stores." Missouri Valley Special Collections, Kansas City Public Library, 2007.