John Lockley, white Sangoma from South Africa
http://www.african-shaman.com/

Youngblood African Arts&Culture, Cape Town
http://ybafricanculture.com/sangoma-exhibition-2/

my favourite Galleries in Cape Town:
http://www.goodman-gallery.com/
http://www.stevenson.info/  

http://www.newheritagegallery.com/

Sangoma Community
http://www.amref.org/what-we-do/traditional-healers-south-africa
http://www.traditionalhealth.org.za/t/aboutus.html
http://en.wikipedia.org/wiki/Sangoma/