Slideshare provides Arun Zaveri’s presentation on the 14 guṇa-sthānas, first delivered in Massachusetts, USA in September 2013 as part of a lecture series during the festival of Paryuṣaṇ and Daśa-lakṣaṇa-parvan.

http://www.slideshare.net/ScientificMeditation/6-fourteen-gunasthana