NavSource Online - Ship facts and annotated images. - http://www.navsource.org/archives/01/38a.htm
Great White Fleet - Ship history, specifications, and images. - http://www.greatwhitefleet.org/pennsylvania/04/history.html
Naval Historical Center - BB-38 history and annotated images. - http://www.history.navy.mil/photos/sh-usn/usnsh-p/bb38.htm
USS Pennsylvania BB-38 - Ship history, crew roster, photos, memorabilia, crew stories, and reunion information. - http://www.usspennsylvania.com
U.S. Navy Battleships - USS Pennsylvania (BB 38) facts, history, and images. - http://www.chinfo.navy.mil/navpalib/ships/battleships/pennsylvania/bb38-penn.html