Tours of the Stanford University Libraries are offered year-round, with special orientation tours for incoming students at the beginning of each academic year. Other special tours include Parents' Weekend, which usually happen in February, and Admit Weekend, which happen in April.
Green Library is the largest library on campus and houses Stanford University's Information Center, Media & Microtext Center, and many other central library resources. Lathrop Library is the site of Academic Computing Services, and offers a wide array of technological resources and computing spaces. Additionally, Stanford has about a dozen branch libraries that specialize in specific subjects: biology, art, music, engineering, and many more.