Here are the online digital manuals for both games linked from Steam:
KOTOR 1:
http://cdn.akamai.steamstatic.com/steam/apps/32370/manuals/KOTORI_Manual.pdf?t=1430507414
KOTOR II:
http://cdn.akamai.steamstatic.com/steam/apps/208580/manuals/KOTORII_Manual.pdf?t=1430507602
Enjoy.