This collection consists of a small number of items relating to Hermann Weyl. Of the most significance is a series of family letters authored by Hermann and Helene Weyl, Hermann Weyl's thoughts and notes related to a joint publication with his son Joachim. The collection also includes the telegram Weyl's second wife Ellen sent to his son announcing Weyl's death. Also of interest is a notebook on analytical geometry, correspondence regarding an effort to allow Weyl to retain his American citizenship after he had moved back to Switzerland, drafts of miscellaneous talks and articles, and an essay on his first wife, Helene Weyl.