The Boardwalk Hotel and Casino Records date from 1993 to 2005 and contain administrative files, gaming projects and systems files, promotional photographs, advertisements, and audiovisual materials pertaining to the Boardwalk Hotel and Casino. The collection also contains material for the Boardwalk under its various names, including the Boardwalk Hotel and Casino, Viscount Hotel, and Holiday Inn Casino Boardwalk.

Citizen Alert is a Nevada-based environmental organization established in 1975 in response to Yucca Mountain being considered as the repository for the nation's nuclear waste. The records in the collection date from 1971-1999, with the bulk of the records from 1988-1996 and focused on issues of concern to Southern Nevada. The collection includes a large subject and administration file containing the organization’s mailings, fliers and newsletters regarding environmental issues and events, newsletters of other environmental organizations, press releases and brochures from a number of government agencies, and newspaper clippings on specific environmental topics. The collection also contains a number of environmental reports from federal, state, and local agencies as well as a number of conference and activist packets.

The Kim Sisters material date from 1959 to 1966 and 1983. It consists of two scrapbooks and one folder of photocopied materials containing newspaper clippings about the appearances of the Kim Sisters muscial group throughout the United States as well as Italy, Germany, and Spain. It also includes two record album sleeves.

Oral history interviews with Irene Porter conducted by Angela Moor on November 06, 2009, November 20, 2009, and January 29, 2010 for the Women's Research Institute of Nevada (WRIN) Las Vegas Women Oral History Project. Porter begins her interview discussing her childhood in North Dakota in the 1940s including her experiences growing up on military bases and her father's military career. Porter then discusses moving to Las Vegas, Nevada in 1959 and her experiences at Rancho High School. Porter describes her classes, social activities, and community. Porter then talks about her career and experiences at the Clark County Planning Department including the activities the Department was responsible for, learning to write grants, the glass ceiling, and how she eventually became Director. Porter goes on to discuss working for the City of North Las Vegas and lobbying for the state of Nevada.

The Helen J. Stewart Papers (1869-1978) document the life of Las Vegas, Nevada pioneer, Helen J. Stewart. It includes correspondence between Stewart and her children as well as various family legal papers and certificates. The collection also contains Helen J. Stewart's 70th birthday scrapbook, a ledger, and a day book from 1904-1919, as well as several photograph albums and information related to the family burial plot.

The Harmon Family Photograph Collection contains black-and-white and color photographic prints, negatives, postcards, and slides of the Harmon family in Las Vegas and Boulder City, Nevada between approximately 1900 and 1983. Las Vegas photographs depict the Harmon family in their home, at a ranch, and at Las Vegas High School. Boulder City photographs include a wedding and a view of Black Canyon, Nevada. Lastly, the collection also includes photographs of the Harmon family with various people, including the Wengert family and Howard Cannon, at receptions, ceremonies, and posing in front of Las Vegas buildings.