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The Bancroft Library holds extensive collections of primary and secondary sources covering an array of scientific and technological fields, focusing on the history of science and technology in California and the American West.
The Mathematics Statistics Library maintains and develops research-level collections and services to support the teaching, research, and learning needs of the Department of Mathematics, Department of Statistics, and Group in Logic and the Methodology of Science.
Collections include specimens and tissue samples of amphibians, reptiles, birds, and mammals, as well as field notes and photographs, historical annotated maps and correspondence, avian sound recordings, chromosome and histology preparations, anatomical and film collections, and terrestrial vertebrate natural history artwork
The Physics-Astronomy Library develops and maintains research-level collections and services to support the teaching, research, and learning needs of the departments of Astronomy and Physics, and the Space Sciences Laboratory.