Ethnologue: Yoruba - Linguistic classification and demographic information. - http://www.ethnologue.com/show_language.asp?code=YOR
Learn Yoruba - Devoted to the promotion and growth of the Yoruba language and culture worldwide. - http://www.learnyoruba.com/
Yoruba Language Task Force - Conference information and online language materials. - http://african.lss.wisc.edu/yoruba/YLTF/
Yoruba at UW-Madison - Course syllabi and instructional material from the University of Wisconsin-Madison. - http://african.lss.wisc.edu/yoruba/
Boston Language Institute Yoruba Program - Providing small group, corporate, private, intensive and immersion instruction. - http://www.boslang.com/fl/yoruba.htm