Mason, Stevens T.

Stevens T. Mason papers are at the Bentley Historical Library and the Archives of Michigan (Record Group 44)
Link to Mason Burial Article
Buried in Detroit Capitol Park
Michigan Pioneer and Historical Collection, volume 35, page 32.

German Prisoners in Michigan (World War II)

See Michigan History Magazine, Sept./Oct. 1989 issue. 
Other secondary sources (not in the Archives of Michigan):
 MelCat turned up two graduate theses-
William R. Lowe.  Working for Eighty Cents a Day:  German Prisoners of War in Michigan, 1946.  Eastern Michigan thesis, 1995.  There is a copy in the Bayliss Public Library.
Philip J. Proud.  A Study of the Reeducation of German Prisoners of War at [...]