Contains records on the Centennial Carillon Tower, including contracts, structural drawings, costs summaries, and invoices regarding repairs and additions to the tower. Also includes a complete structural report on an addition of new bells in 1992. Contains records of the Centennial Carillon Tower Committee including correspondence, service agreements, and status reports, 1987-1995.

Architectural drawings of buildings designed by Joseph and Willard Nelson, architects. They include designs of banks, schools, and buildings on Brigham Young University campus. The drawings are for buildings located predominantly in Utah, with a few in New York, Oklahoma, Colorado, Idaho, and California. Also available is a preliminary inventory describing the building names and locations.