Here is the link:  http://www.shs.springfield.k12.il.us/features/History/pottery/index.html
The article leads to the Moravian Tile Works in Doylestown, PA, historic from the Craftsman era and still operating.
Look up! or here, to discover the beauty to be found in buildings made of brick.
This series of four designs, two each on either street end of the front of the (-shaped Henry Shaw School on Columbia Avenue, illustrates four areas of education: history, science, the arts and math (I think).

Over the front doors of Cleveland School in south city is a series of nine trades or tasks being performed by seven men and two women.  They are in high relief and very colorful.