Reference books are shelved with the other books on the same subject, and are marked with a yellow band on the cover. On the ground floor you will find past examinations papers, telephone directories and other general reference works. Computing books are shelved at the beginning of the main library sequence at Dewey classification numbers beginning 004.
Some examples follow.
Mathematics books are shelved at Dewey classification numbers beginning 510 as follows. They are at the opposite end of the first floor from the computing books. Queuing Statistical methods for a subject are shelved with books on that subject, eg. 150.727 Statistics for psychology Applied mathematics and astronomy . These books are at classification numbers beginning 52 as follows.