The John D. Dombrink Gaming Research Files (approximately 1951-1990) contain the research files of John D. Dombrink in preparation for his book The Last Resort: Success and Failure in Campaigns for Casinos, published in 1991. The collection consists of newspaper clippings, journal articles, and public reports on a variety of topics and issues related to gaming in the United States, including organized crime, commercial gaming, and regulatory practices and issues. The collection also contains manuscript drafts for The Last Resort: Success and Failure in Campaigns for Casinos with handwritten revisions and comments by Dombrink, as well as correspondence about the book’s potential publication and promotion.

The Arthur and Joe Lyon Papers (1930-1935, 1985, 2020) document the first transnational automobile trip taken from North America to Central America in 1930 by Arthur and Joe Lyon, two brothers from McDermitt, Nevada. The materials in this collection include Arthur and Joe Lyon's passports with stamps from their trip and their travel scrapbook. Materials also include the brothers' handwritten notes about their trip from the 1930s and original typescript for Central America Through a Windshield written in 1985. The collection also includes a published hardcover copy of 1930: From Manhattan to Managua, North America's First Transnational Automobile Trip published in 2020.