MERLOT

OER Commons
Searchable by found  discipline and academic level, this site provides a broad range of instructional materials, including texts, images, videos, primary sources and more.

MIT Open Courseware

MIT Open Courseware offers an extensive series of online courses. Courses generally include lecture videos, assignments, exams, and more. Check the Topic: Fine Arts>Subtopic: Performance Arts to find the speciality category of Dance.