Gracious Spaces, Clarence H. Johnston, Minnesota Architect, DVD. Material: plastic, metal. Size: 5" diameter case; 4 1/2" diameter disk. Description: clear plastic case; DVD label: Gracious Spaces, Clarence H. Johnston, Minnesota Architect, Running time 56:57 minutes, a TPT Original Production, 2011 Twin Cities Public Television, Inc.; DVD contents: documentary on the works of Clarence H. Johnston, Waseca County born architect.