"At the age of 10, Rosa helped to bottle her father's famous recipe, which the family sold from their station wagon at Los Angeles' Farmers Market after moving from San Diego." (From a 1987 interview with Rosa Cardini)
See Cardini's Salad Dressings Product Info [1]Archived 2018-02-10 at the Wayback Machine. product details.
classicsandiego.com
"Cafe Operator Remodels Downtown Corner." San Diego Evening Tribune, September 16, 1936. Grand opening display ad, San Diego Union, September 18, 1936. See also "Caesar Cardini Cafe." Classic San Diego: tasty bites from the history of San Diego. Web.
findagrave.com
See details and a picture of his gravestone at Findagrave