The following PowerPoints on PRL have been created over the years by Constance Kutsch Lojenga for various talks and conferences.
PRL Powerpoint for LOL (Chiang Mai)
PRL Powerpoint for the 15th Nilo-Saharan Linguistics Colloquium
PRL Powerpoint 1 (Addis Ababa)
PRL Powerpoint 2 (Addis Ababa)
PRL Powerpoint for GLiF (Vajita, Hungary)