Paly History:

http://paly.net/paly-history

Palo Alto Historical Association:

http://archives.pahistory.org/cdm4/results.php?CISOOP1=exact&CISOFIELD1=CISOSEARCHALL&CISOROOT=/PAHA&CISOBOX1=Palo+Alto+High+School

 

Wiki:

http://en.wikipedia.org/wiki/Palo_Alto_High_School

Paly Gym:

http://www.paloaltoonline.com/paly-gym/palo-alto-gym-history.php

Palo Alto History - great history facts and photos:

https://www.facebook.com/palo.alto.history