The Alexander Hollaender Papers consist of 4 linear feet of correspondence to and from various geneticists as well as reports and correspondence of the assorted committees, conferences, and organizations in which Hollaender was involved. These papers only contain material from 1955 to 1974.

Included in the Hollaender papers are the records of the National Academy of Sciences committee on the Biological Effects of Atomic Energy. One of the goals of the committee was to outline the issues and problems concerning the scientific knowledge of the genetic effects of high-energy radiation and to suggest the path future research on the subject should take. The information contained in the Hollaender papers is primarily concerned with the criticism and revision of the various drafts of the committee reports, one published in 1956 and the other in 1960.

Hollaender was an active participant in the United Nations Scientific Committee on the Effects of Atomic Radiation. The information on this committee relates to a report prepared by the committee in 1958 and more specifically Hollaender's criticism of the report. Also found in the papers are records concerning published reports and publicly delivered papers of the Second International Conference on the Peaceful Uses of Atomic Energy.

Largely represented in the papers is Hollaender's activities in the World Health Organization. As a participant in this organization Hollaender was again concerned with the genetics effects of radiation, acting as chairman of a study group focused on the specific effects of radiation on humans. Records of a proposed World Health Research Center are also contained in the papers.