The collection consists of letters, greeting cards, survey maps, newspaper clippings, legal papers, photographs, collected recipes, land sales and expense journals, and survey reference books. The material was created or collected by pioneering Nevada surveyor, engineer, and real estate entrepreneur J. T. (John Thomas) McWilliams and his wife, Iona, between 1900 and 1968.

The Donald Welch Photograph Collection (approximately 1961-1981) is comprised of photographs of various golf tournaments hosted at the Desert Inn Country Club in Las Vegas, Nevada collected by Welch throughout his career as the Desert Inn's head golf professional. In particular, the collection includes two photograph albums depicting the Ladies Professional Golf Association (LPGA) Sealy golf tournament in the early 1970s and a 25th anniversary Desert Inn Country Club commemorative photograph book from 1981.

The Norman Kaye Papers span the years of 1952 to 1969 and are comprised of material from the career of Norman Kaye, a Las Vegas lounge entertainer and longtime poet laureate of Nevada. The materials contain correspondence, newspaper clippings, music manuscripts and poetry, and audio recordings from the Mary Kaye Trio.

The Norman Kaye Photograph Collection (approximately 1950-1970) consists of black-and-white photographic prints of Norman Kaye and the Mary Kaye Trio in performance at the Hotel Last Frontier in Las Vegas, Nevada.