Note cards, Pre-1969

Recommendations in boxes 19 and 20 are restricted until 2060.

Materials in Series V, Data Files, are restricted for seventy-five years from the date of the conclusion of the experiment (2035-2060).

Original audiovisual materials, as well as preservation and duplicating masters, may not be played. Researchers must consult use copies, or if none exist must pay for a use copy, which is retained by the repository. Researchers wishing to obtain an additional copy for their personal use should consult Copying Services information on the Manuscripts and Archives web site.