This unit undertakes the description of library resources. They also highlight the data about the materials in respect of the contents, appearance, author, title and other bibliographical details. Cataloguing and classification functions are performed with standard tools such as Anglo American Rules 2 (AACR 2), library of congress subject heading (LCSH) and library of congress schedule. They also do online cataloguing with Library of congress database. The unit also uses Cutter-Sanborn author number table to ensure uniformity and consistency of bibliographic details and assign call numbers that aids in the proper placement and easier retrieval at the time of need or use.
The Cataloguing and classification unite is headed by; Mrs Ifeyinwa Loveth Nneji, B.Ed. LIS, MLIS. Assistant Librarian.