Useful links
Travel Around Japan — Useful information about Kyoto and many other sites in Japan. http://travel-around-japan.com/
Kyoto City Bus official site:
http://www.city.kyoto.jp/koho/eng/access/transport.html
Kinds of bus system, and cards:
http://www.pref.kyoto.jp/visitkyoto/en/info_required/transportation/bus&taxis/
Bus etiquette:
http://dominicaninjapan.blogspot.com/2008/02/how-to-take-bus-in-kyoto.html
Kyoto City Bus Map
http://www.city.kyoto.lg.jp/kotsu/cmsfiles/contents/0000019/19770/navi_eigo_100319.pdf
Kyoto City Bus Map(2)
http://kansaiconnect.com/downloads/kyotobus2.pdf
Getting Around Kyoto
http://www.japanguidebook.com/travel/getting-around-kyoto-53.html