The Thomas P. O'Farrell Papers (1900-1999) are comprised of scientific reports collected by Thomas O’Farrell over the course of his career studying wildlife ecology, particularly its connection to nuclear radiation. Materials include original, reprinted, and photocopied editions of scientific reports on animal and plant life around the world, focusing primarily on the Mojave and Great Basin Deserts, Alaska, Washington, and the Pacific Ocean. Reports come from institutions including the Desert Research Institute (DRI), Oak Ridge National Laboratory (ORNL), the Environmental Protection Agency (EPA), the Energy Research and Development Administration (ERDA), and the United States Department of Energy (DOE), as well as affiliated universities.

Oral history interview with Priscilla Alexander conducted by Norman Vallata on 1976 for the Ralph Roske Oral History Project on Early Las Vegas. Alexander was born in Southern California, and in approximately 1952 Alexander relocated to Nevada with her aunt and her uncle who worked in the gambling industry. During the interview Alexander discusses gambling ships in Southern California, early above-ground atomic testing, Nevada’s gambling industry, buffets in the early days on the Las Vegas Strip, and working for Howard Hughes.

Oral history interview with Victoria and Brad Babich conducted by Claytee D. White on November 22, 2013 for the Boyer Early Las Vegas Oral History Project. In this interview, the Babich couple describe their family histories and life in Las Vegas, Nevada during the mid-twentieth century. Brad Babich discusses his father's work in the gaming industry of Las Vegas, the prevalence of organized crime in the city, the influence of Howard Hughes and the federal government, and other aspects of Las Vegas history. He also talks about nuclear weapons tests at the Nevada Test Site and the health problems some employees acquired there. The two talk about recreational activities of the time, as well as the entertainers that performed on the Las Vegas Strip. Other topics of discussion include race relations in Las Vegas, casino history, and changes that have occurred over the years in the city.

Oral history interview with Patricia Deverell conducted by Patrick Kiser on April 26, 1986 for the UNLV University Libraries Oral History Collection. Deverell discusses the various population and climate changes that she has witnessed in Nevada, as well as major events such as the above-ground atomic testing. Deverell also mentions her occupation in the gaming industry and describes some of the changes in the industry over time.

Oral history interview with Bernard Lee Brown conducted by Marcus Brown for the Ralph Roske Oral History Project on Early Las Vegas. Brown discusses his work at various gaming properties on the Las Vegas Strip and in Downtown Las Vegas, Nevada, owning his own shoe business, working at the Nevada Test Site, racial discrimination, and the role of unions. He also discusses the overall changes of Las Vegas over time.

Oral history interview with Eldon G. Cooper conducted by Kamal Wilhelm on March 03, 1975 for the Ralph Roske Oral History Project on Early Las Vegas. Cooper first talks about his background and his eventual move to Las Vegas, Nevada before describing the recreational activities in which he and his family participated. He later describes the atomic testing, environmental changes, modes of transportation, social changes, and tourism in Las Vegas.

Oral history interview with William Wright conducted by Andrew Weiss on February 26, 1979 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Wright discusses his career working for the Las Vegas Review-Journal and life in Las Vegas, Nevada during the 1940s. Wright describes how Las Vegas and its casinos have changed and expanded, the crash of Carole Lombard's plane, and the history of McCarran International Airport. He also talks about nuclear weapons tests and their negative effects, the effect World War II had on Las Vegas, and prominent local politicians.