John Harris Library operates a decentralised system for the purpose of proximity. Faculty Libraries are established to serve staff and students better. Each branch library is headed by a Faculty librarian. The books related to each faculty are distributed and housed in each of the faculty library after processing. The Branch Libraries include:
* Faculty of Agricultural Sciences Library,
* Faculty of Arts Library
* Faculty of Basic Medical Sciences Library
* Faculty of Education Library,
* Faculty of Environmental Sciences Library
* Ekehuan Campus Library
* Faculty of Engineering Library,
* Faculty of Law Library,
* Faculty of Life Sciences Library,
* School of Medicine Library
* Faculty of Pharmacy Library
* Faculty of Physical Sciences Library and
* Faculty of Social Sciences Library.