The one on the left is the Robert P. Parker House
http://en.wikipedia.org/wiki/Robert_P._Parker_House
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The one on the right is the Walter Gale House
http://en.wikipedia.org/wiki/Walter_Gale_House
The one right of center is the Thomas H. Gale House
http://en.wikipedia.org/wiki/Thomas_H._Gale_House
All three are exmples of Frank Lloyd Wright's early work. his home & studio is just down the street