The Daniel Hinkley papers are comprised of material documenting Hinkley's work on behalf of the gay community in Las Vegas, Nevada between the years of 1991 to 2016. It includes Hinkley's files on the Progressive Leadership Alliance of Nevada, the campaign against Question 2, and various subjects related to the gay community in Las Vegas.

The Progressive Leadership Alliance of Nevada (PLAN) records span the years 1994 to 2002 and are comprised of material documenting the organization's involvment in gay issues in Las Vegas, Nevada. PLAN was founded in 1994 as the umbrella organization for Nevada's progressive groups and institutions. This collection is comprised of material documenting the Minority Status and Child Protection Act of 1994 and the Coalition for Unity and Equal Rights Nevada, and contains a number of files from that effort, including opinion surveys, meeting agendas and campaign plans.