Obviously an incomplete file. Most of the letters for the period 1928-1939 are addressed to August Vollmer. A few letters refer to his position as police superintendent, Chicago. Boxes 1-3 Letters written to Wilson Letters from colleagues in the field of police work, members of the faculty and administration at the University of California, Berkeley, professional organizations and journals, his publishers and members of his family. Wilson obviously saved only a small part of what must have been an extensive correspondence file.
Letters have, for the most part, been arranged alphabetically by name of person or organization.
A list of the major correspondents represented in the collection follows the Key to Arrangement. Many of them are addresses delivered during the period he was superintendent of the Chicago Police. Awards, diplomas, etc. See also oversize folder. See also v. 2 below.