ed works consulted can be seen.http://www.amazon.com/Turning-Tables-Restaurants-American-1880-1920/dp/0807834742/?tag=pizzamaking-20I have been looking under old Google books or articles, and have found snippets from the past on mixers, pizzas, and other things.Edit: I had emailed Andrew P. Haley, PHD at andew.haley@usm.edu. . about if in his searches for his book, if he found anything out about p