The project files series of the Harry Hayden Whiteley Architectural Records are comprised of architectural records (1931-1969) created and/or maintained by the American architect Harry Hayden Whiteley and/or his architectural firm, known as Harry Hayden Whiteley and Associates. This series includes 1 legal document box of project files documenting the firm's work and focuses on Las Vegas and Reno, Nevada. The materials include: structural calculations, correspondence, specifications, and a professional portfolio.

The project records series (1989-2007) are comprised of project documents created and collected by the American architecture firms of Welles Pugsley Architects and Leo A Daly Architects for the design and construction of Lied Library at UNLV. The series also contains material collected by UNLV Libraries such as furniture catalogs and library space usage studies. The series include architectural drawings, artist renderings, photographic prints, project manuals, progress reports, and project correspondence. The records also contain commemorative items from the groundbreaking ceremony.