Answered By: DPU Webservices
Last Updated: Mar 16, 2021     Views: 3988

Answer:

R is an abbreviation for "Reference," the section in the library that contains encyclopedias, directories, etc. As a call number prefix, it identifies material that does not circulate, i.e., may not be borrowed, and is kept in the Reference areas of the RIchardson and Loop Campus Libraries.