Lending libraries; publication of books; publication of electronic books and journals on-line; educational services, namely, providing courses at the undergraduate and graduate university level and distributing course material therewith; extension, continuing and community educational services, namely, conducting classes, public lectures, workshops, seminars, conferences and exhibitions in the fields of engineering, law, business, arts and humanities, natural and physical sciences, architecture, journalism, education, international and public affairs, public health, social work, behavioral sciences, and mathematics and distributing course material therewith; educational research; entertainment services, namely, arranging and conducting athletic events, tournaments and camps, exhibitions, conferences, live performances and festivals