DescriptionFlag of Porterville, California.png English: Portervillecityflag Date 2014 Source City of Porterville Author City of Porterville Permission...
English The Big T, the yearbook of the California Institute of Technology...
DescriptionSeal of Porterville, California.png English: Seal of Porterville, California Date 31 December 2009 Source http://www.ci.porterville.ca...
DescriptionThe Big T 1931.pdf English: The Big T, the yearbook of the California Institute of Technology Date 1931 Source https://caltechcampuspubs.library...
