Photo 31 is by Central Photo, 816 & 818 N. 6th, St. Louis, MO
Photo 32 is from Flanders Art Studio in Glenwood, Iowa
On the back it says "Mary Barker"
Photo 33 is from Flanders in Glenwood, Iowa.
Photo 34 is from Newberg in Glenwood, Iowa.
Photo 35 is from O.D. Welch in Glenwood, Iowa