Course descriptions and other general course and academic information can be found at the ExploreCourses Website:
More information on courses, class times, etc. can be found in AXESS (current Stanford students and faculty only). In addition, the Stanford Woods Institute for the Environment maintains a list of university-wide courses related to the environment, and the Precourt Institute for Energy maintains a list of university-wide energy courses.
The Stanford Bulletin, issued annually in late August, contains information about the University and its schools, departments, and programs, including courses taught during the current academic year and requirements for degree programs.