With over 4.5 million volumes and access to thousands of electronic resources available 24/7 through our online library catalog, UC Libraries' virtual and physical locations offer resources for everyone. UC Libraries includes the Walter C. Langsam Library, the Archives and Rare Books Library, the Donald C. Harrison Health Sciences Library, and eight college and departmental libraries serving constituents in applied science, architecture, art, biology, chemistry, classics, design, education, engineering, geology, mathematics, music, physics and planning.