General:
Kit Kat's Princess Maker Corner
Nuriko's Princess Maker 2 Nexus
Everything PM2
Princess Maker 2 Analysis
Princess Maker 2 Walkthrough (Ruling queen ending)
PM2 on DJ Games
PM2 on Abandonia
PM2 on Selectbutton
Wikia Princess Maker 2 Wiki
Wapedia Princess Maker 2 Wiki
Princess Maker 2 Article on Wikipedia
DeviantArt Princess Maker Club
Nuriko's Princess Maker Nexus BBS
Kit Kat's Princess Maker Corner BBS
Princess Maker Discussion on Abandonia