Nootka has tense marking on NPs. Whorf used this to claim that the speakers saw things as events. Also Salishan languages. For published works on these languages, you could browse the following: http://www.pitbossannie.com/index-h-pm.php Members of the Salishan interest group might also help you: http://listserv.linguistlist.org/cgi-bin/wa?A0=salishan