https://www.prweb.com/releases/frank_isaac_of_isaac_jewelers_located_in_scottsdale_arizona_introduces_carat_smart_diamonds/prweb11863115.htm
Frank Isaac of Isaac Jewelers Located in Scottsdale, Arizona Introduces "Carat Smart" Diamonds
Scottsdale, Arizona (PRWEB) May 19, 2014 -- Isaac Jewelers http://www.isaacjewelers.com located at the Kierland Commons in Scottsdale, Arizona now offers...
frank isaac
https://colenda.library.upenn.edu/catalog/81431-p32z1359g
Letter; Frank, L. H.; Leeser, Isaac, Rev.; New York, NY; 7 October 1866 - Colenda Digital Repository