During the accreditation process, the Urban and Regional Planning Program was required to collect documents for a program library. These documents are included in the Urban and Regional Planning Documents series and consist of master plans, information about airport planning, planning for recreational spaces, etc. This series is ordered with documents from the City of Ann Arbor and Ann Arbor Township followed by the City of Ypsilanti and Ypsilanti Township. The next section is Michigan Counties and they have been placed alphabetically. The following section has information from other states. Towards the end of this series, there are documents relating to national and federal regulations. A few documents have also been included from other countries.