This series includes speeches and statements made by Holland throughout his career. In addition, there are files containing comments and reaction to his speeches. Radio files contain scripts used by Holland in radio broadcasts as well as correspondence regarding the broadcasts. There are several campaign speeches in this series, including a speech announcing his candidacy for the U.S. Senate, but additional speeches may be found in the campaign series within this collection. Also included are commencement addresses Holland gave at the University of Florida, his 1941 inaugural address as Governor, a speech nominating George Smathers for President at the Los Angeles Democratic National Convention, and speeches pertaining to civil rights in the 1950s and 1960s. Files are arranged chronologically.

This series includes press releases made by Holland throughout his career. There are several campaign press releases in this series, but additional releases may be found in the campaign series within this collection. Files are arranged chronologically.

This small series includes material pertaining to trips made my Holland from 1953 to 1964, as well as some of his engagements during that same period. The majority of the files document trips to Florida cities and counties, but also included are trips to the Chicago Democratic National Convention, to Alaska and the Northwest as a member of the Public Works Committee, a drought tour of the Western U.S., and a trip to Knoxville, Tennessee to meet with Democratic Party officials to discuss the campaign of Adlai Stevenson and his running mate, Estes Kefauver. In addition, there are files documenting his trips to Costa Rica, Nicaragua, Panama, and Venezuela to discuss the Pan American Highway. Note that this series only covers a small period of Holland's career, and some trip and engagement information can be found in files throughout the collection. For example, there are numerous "Diary of Events" files in the Senatorial papers that contain information about Holland's engagements, appointments, and itinerary for each year. Files in this series are arranged alphabetically.

This series includes material related to Holland's memberships and affiliations with several associations and organizations. There are several files documenting his activities with the University of Florida Alumni Association between 1929 and 1939. In addition, his involvement with the American Legion, Emory University, Florida Southern College, and Kiwanis, are also represented. Files are arranged alphabetically.

This series includes memorabilia, articles, biographical material, citations, certificates, and other ephemera collected or created by Holland throughout his life. The memorabilia includes an Orange Bowl Official armband, a General MacArthur button, a "Candidate for County Judge" card, and a political cartoon. There are numerous certificates related to election results in Florida, as well as an honorary degree in Civil Law from the University of Florida. Published articles include information on the 24th Aero Squadron in World War I, the Pan American Highway, and Holland hunting with his son. Of particular interest is the autobiography Holland began preparing during his retirement but left unfinished upon his death in 1971. In addition, there are copies of 1913 correspondence related to Holland's application for the Rhodes Scholarship, including a brief biographical summary written by Holland to the scholarship committee. Files are arranged alphabetically.

This series includes photographs, both prints and negatives, originally interfiled with the papers in the collection. The photographs were removed from their original files and placed into separate folders for preservation purposes. The majority of the photos are from the 1940s and Holland appears as a subject in most. Of particular interest are the numerous photos of Holland's 1941 inauguration as Governor. Other subjects in the photos include politicians, judges, and Florida landmarks and buildings. Also included is a photo album showing unlicensed midwife practitioners and FERA nurses, which was created by "Mrs. Spessard Holland, Chairman Public Health Council of Polk County." Files are arranged alphabetically.

This series contains newspaper and newsletter clippings collected by Mary Holland, primarily covering Holland's terms in the U.S. Senate, 1946-1970. In addition, there is one complete newspaper from 1941, the Inaugural Edition of the Polk County Record, which documents Holland's inauguration as Governor. The majority of these clippings originally were stored in several three-ring binders, but the pages have been removed from the binders and placed in folders. Although the majority of the binders contained only news clippings, there is one folder from 1961 that also contains memorabilia such as event programs, invitations, and correspondence.