There aren't many on here
http://www.surfermoon.com/tabs.shtml , but If you scroll down to the section entitled individual songs there are a few tabs that include the bass parts (fire,california girls,can't wait too long, child is the father of the man, god only knows..probably more but I can't be bothered to check every tab for bass parts), I can't be sure whether the tabs are right because I don't play bass, but the tabs on this website are generally quite accurate when I work songs out on my keyboard from there.
Sorry I can't be of more help.
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