^"This is popularly known as a mixture of creams moulded together, as vanilla, strawberry, and pistachio." Ida C Bailey Allen. Mrs. Allen on Cooking, Menus, Service. Garden City NY: Doubleday, Doran & Company. 1929: 691.
^Kalil, Frederick. We all scream for.... Tufts Now (Medford, Massachusetts: Tufts University). 2012-09-17 [2014-12-02].