Spirit of Baraka A description of the film series and other works of Godfrey Reggio. Also includes information on the film Baraka, made by the cinematographer of Koyaanisqatsi, as well as other related data. http://www.spiritofbaraka.com/

The Qatsi Trilogy Events and screenings, FAQs, viewer support, and information on three films, Koyaanisqatsi, Powaqqatsi, and Naqoyqatsi, directed by Godfrey Reggio. http://www.qatsi.org/

Locus Online: Claude Lalumière Reviews the Qatsi Films Review and summary of the three movies in this series, as well as the soundtrack and the director's style. http://www.locusmag.com/2003/Reviews/Lalumiere01_Qatsi.html

Qatsi Short summary of the film trilogy. http://www.bonestructure.net/qatsi.html

IMDb - Quattro Noza Features cast and crew details, photos from the premiere, and links to external review sites. http://us.imdb.com/title/tt0342916/