Biology reference services are available Monday through Friday, 9 am to 5 pm. Collections are open to the public. All Stanford faculty, graduate students, undergraduates, and staff are provided full reference and circulation services. Non-Stanford visitors are welcome to use the collection while in the library, but are not eligible for reference assistance. For questions regarding access and borrowing privileges, consult with staff at the Biology Library circulation desk: (650) 723-1528.