ニューヨークスタイルのピザの系統樹．1905年に始まる一世紀に及ぶ系譜がきれいな系統樹で描かれている：
Very Small Array
New York Pizza | 10 September 2012
http://www.verysmallarray.com/?p=1492
Slice
New York Pizza's Family Tree | April 2004
http://slice.seriouseats.com/archives/2004/04/new-york-pizzas.html
伝説
- New York City’s Gnarled Pizza Family Tree
http://firstwefeast.com/eat/new-york-citys-gnarled-pizza-family-tree/ - How Patsy Grimaldi, the 81-Year-Old New York Pizza Legend, Is Getting His Good Name Back
http://newyork.grubstreet.com/2012/10/pizza-legend-patsy-grimaldi-gets-his-good-name-back.html
