The collection consists of the papers of Oregon radio host and legislator Ted Hallock and his family. Most of Ted Hallock's papers predate his time as an Oregon state senator, and include materials relating to his military service during World War II. Military papers include discharge papers from both the U.S. Army and the National Guard; combat service records; Hallock's reminiscences of his bombing missions, written shortly after his 30th mission; the August 1944 issue of the New Yorker magazine, with a profile of Hallock; a 1967 issue of Old Oregon with a profile of World War II veterans including Hallock; a map marking the routes of Hallock's bombing missions; and group photographs including Hallock. Other Ted Hallock papers in the collection include letters to his family while he was at the University of Oregon; correspondence and awards from his career in radio; clippings and photographs; and a publication relating to a 1956 trip to the Soviet Union he participated in. The collection also includes the text of an Oregon Senate resolution memorializing Hallock after his death, and obituaries for him and for his third wife, Jackie Hallock.

Family papers consist of contents from a family album; a scrapbook compiled by Ted Hallock's father, Joseph H. Hallock; and genealogical research. The album materials consist of photographs, including of Ted Hallock, as well as clippings, correspondence, programs, and ephemera. Some of these materials reflect Joseph H. Hallock's career in radio. The scrapbook consists of photographs; clippings, primarily of words or phrases cut from newspapers or magazines and included either for context or for humor; and signatures, programs, correspondence, and ephemera. Some of these materials relate to Joseph H. Hallock's time at the Oregon Agricultural College (now Oregon State University) and his travels during the 1910s. The genealogical research focuses on Homer Humphrey Hallock, Joseph H. Hallock, Oliver Humphrey Hallock, Hannah Elizabeth Mallory, and Mary Peninger Hallock.