Watson Library, 1425 Jayhawk Blvd.

Hours: 8 a.m.-midnight Monday-Thursday; 8 a.m.-8 p.m. Friday; 10 a.m.-6 p.m. Saturday; 10 a.m.-midnight Sunday. The oldest and largest library on campus was constructed in 1924 and named for Carrie Watson, KU’s first full-time librarian. Houses collections in social sciences, humanities and professional fields of education, journalism and social welfare. There are about 165 desktop computers. Computer workstations can be found on the third and fourth floors. This library is a KU wireless zone, so students can bring wireless-enabled technology – such as laptops or PDAs – and connect to the Internet using their KU username and password.

Anschutz Library, 1301 Hoch Auditoria Drive

Hours: Students can study in this library 24 hours a day when classes are in session, starting at 10 a.m. Sunday and closing at 8 p.m. Friday. Library services are available 8 a.m.-midnight Monday-Thursday; 8 a.m.-8 p.m. Friday; 10 a.m.-8 p.m. Saturday; 10 a.m.-midnight Sunday. Constructed in 1989 and named after donors Marian and Fred Anschutz. It houses collections in the sciences and in business. There are about 135 desktop computers. Computer workstations can be found on the third floor, while the GIS and Numeric Data Lab is on the first floor. This library is a KU wireless zone.

Murphy Art & Architecture Library, first floor of the Spencer Museum of Art, 1425 Jayhawk Blvd.

Hours: 8 a.m.-10 p.m. Monday-Thursday; 8 a.m.-6 p.m. Friday; noon-5 p.m. Saturday; 1 p.m.-10 p.m. Sunday. Named for Franklin D. Murphy, chancellor of KU from 1951 to 1960. It supports the teaching and research programs in the departments of art, design, history of art, architecture and the collections of the Spencer Museum. This library is a KU wireless zone.

Gorton Music and Dance Library, Murphy Hall (Room 240), 1530 Naismith Drive

Hours: 8 a.m.-10 p.m, Monday-Thursday; 8 a.m.-5 p.m. Friday; noon-5 p.m. Saturday; 1 p.m.-10 p.m. Sunday. Opened in 2000 and named after Thomas Gorton, who was dean of the School of Fine Arts from 1950 to 1975. Supports research, instruction and performance in dance, voice, music history, music theory, composition, music education and music therapy. This library is a KU wireless zone.

Wheat Law Library, Green Hall, 1535 W. 15th St.

Hours: 7:30 a.m.-11 p.m. Monday-Thursday; 7:30 p.m.-10 p.m. Friday; 9 a.m.-10 p.m. Saturday; 10 a.m.-11 p.m. Sunday. Named for donors Douglas D. and Laura L. Wheat. This library is a KU wireless zone.

Spahr Engineering Library, located on the plaza between Learned and Eaton Halls, 1532 W. 15th St.

Regular hours: Students can study in this library 24 hours a day when classes are in session, starting at noon Sunday and closing at 8 p.m. Friday. Library services are only available 8 a.m.-midnight Monday-Thursday; 8 a.m.-8 p.m. Friday; 10 a.m.-5 p.m. Saturday and noon-midnight Sunday. Named after donors Charles and Mary Jane Spahr. This library is a KU wireless zone.

Regular hours: 8 a.m.-5 p.m. Monday-Friday; noon-4 p.m. Saturday; closed Sunday. Houses archival, manuscript and rare book collections held by the Kansas Collection, Special Collections and the University Archives. There are special rooms for use of microforms, audio recording and film/video. This library is a KU wireless zone.

Regents Center Library, located at the Edwards campus in Overland Park

Regular hours: Monday-Thursday, 8 a.m.-10:30 p.m.; Friday, 8 a.m.-5 p.m.; Saturday, 8 a.m.-5 p.m.; Sunday, 1 p.m.-5 p.m.

Regular* hours: Monday-Thursday, 7:30 a.m.-11 p.m.; Friday, 7:30 a.m.-8 p.m.; Saturday, 9 a.m.-6 p.m.; Sunday, 1 p.m.-11 p.m.