File Polygraph Box 33 In: Donald S. Leonard Papers, 1925-1966 » Audio-Visual Materials » Photographs » Michigan State Police, 1929-1952
File Radio equipment Box 33 In: Donald S. Leonard Papers, 1925-1966 » Audio-Visual Materials » Photographs » Michigan State Police, 1929-1952
File Recruit school Box 33 In: Donald S. Leonard Papers, 1925-1966 » Audio-Visual Materials » Photographs » Michigan State Police, 1929-1952
File Recruits with DSL Box 33 In: Donald S. Leonard Papers, 1925-1966 » Audio-Visual Materials » Photographs » Michigan State Police, 1929-1952
File Sigler with DS: Box 33 In: Donald S. Leonard Papers, 1925-1966 » Audio-Visual Materials » Photographs » Michigan State Police, 1929-1952
File Strikes at Ford, Shakespeare, and other sites Box 33 In: Donald S. Leonard Papers, 1925-1966 » Audio-Visual Materials » Photographs » Michigan State Police, 1929-1952
File Suspects Box 33 In: Donald S. Leonard Papers, 1925-1966 » Audio-Visual Materials » Photographs » Michigan State Police, 1929-1952
File Training Box 33 In: Donald S. Leonard Papers, 1925-1966 » Audio-Visual Materials » Photographs » Michigan State Police, 1929-1952
File Vehicles-Airplanes, automobiles, horses, motorcycles Box 33 In: Donald S. Leonard Papers, 1925-1966 » Audio-Visual Materials » Photographs » Michigan State Police, 1929-1952
File Veterans refresher course Box 33 In: Donald S. Leonard Papers, 1925-1966 » Audio-Visual Materials » Photographs » Michigan State Police, 1929-1952