Document Copy of 'Motor Traffic Act', two menus and copies of Ulm's letterhead, 1922-1929 Unit ID: 3 Date: 1922/1929
Document Correspondence with organisations relating to Charles Ulm, 1964-1967 Unit ID: 3 Date: 1964/1967
Document Draft foreword and correspondence between John Ulm and Macarthur Job relating to Job's research for a proposed book 'Into Oblivion', 1990 Unit ID: 5 Date: 1990