The Library of the Geophysical and Astronomical Observatory of the University of Coimbra consists of the bibliographic funds of the former Astronomical Observatory and the former Geophysical Institute of the University of Coimbra. Located on the 1st floor of the main building of the facilities in Santa Clara, the library has Portuguese and foreign bibliography in the thematic areas of Astronomy, Astrophysics, Geophysics, Geology, Solar Physics, Meteorology, Planetary Sciences and History of Science. The bibliography is presented in the form of monographs (books), periodicals (magazines), maps, among others.