LSU's main library collection, numbering almost three million volumes, is housed in Troy H. Middleton Library on the main quadrangle of the university. It is both a general use library and a . Regional Depository Library, housing publications from the federal government, United Nations , and United States Patent and Trademark Office . The LSU Libraries belong to the Association of Research Libraries , which includes the top 113 academic libraries in the . and Canada; the Association of Southeastern Research Libraries (ASERL); LYRASIS , which is a merger of the Southeastern Library Network SOLINET with PALINET; and the Louisiana Academic Library Information Network Consortium (LALINC). LSU was among the founding members of the Louisiana Online University Information System (LOUIS) network which provides access to most academic library catalogs in the state. The LSU Libraries' subject strengths include Louisiana materials, sugar culture and technology, Southern history, agriculture, petroleum engineering, plant pathology, natural history, and various aspects of aquaculture including crawfish, wetlands research, and marine biology. 
The University of Louisiana at Lafayette, or UL Lafayette, is a coeducational, public, research university located in Lafayette, in the . state of Louisiana. It has the largest enrollment within the nine-campus University of Louisiana System and has the second largest enrollment in Louisiana. Founded in 1898 as an industrial school, the institution developed into a four-year university during the twentieth century and became known by its present name in 1999. University of Louisiana is the second largest university in Louisiana with around 18000 students and they offer bachelor’s, master’s and doctoral degrees. They offer a variety of courses ranging from humanities to hard sciences and lead in the areas such as computer sciences, environmental biology and nursing. Concurrently the university evolved into a national research and doctoral university as noted by its Carnegie categorization as a RU/H: research university (high research activity). Univeristy of Louisiana is among the top 180 universities in US in R&D expenditures. And it is the only university in the world whose sports teams are the Ragin’ Cajuns®; their student-athletes compete at the highest level of NCAA competition.
Each member of Office of University Police is a trained Officer who holds a State of Louisiana University Police Commission or a Special officer Commission issued by the New Orleans Police Department. Although the commissions authorize University Police Officers to be armed and to apprehend persons who have been observed committing criminal acts, the primary missions of the University Police Department is to prevent and serve as a deterrent to criminal activities within the jurisdiction of Xavier University of Louisiana and its subsidiaries.