No for PA?
Don't know what white pizza be.
if you are a pizza lover....white pizza is the bomb....here is the story of Old Forge PA (Pizza Capital). This is my ancestral town & my family is all buried there. Each of these pizza restaurants you will read about are also blood family. This is America.
http://www.pennlive.com/entertainment/index.ssf/2015/08/pizza_crawl_old_forge.html