Complex sentence: He also designed public libraries, municipal buildings, grand hotels and churches as well as nine buildings for the campus of Hebron Academy, which included the Psi Upsilon Fraternity House on the Bowdoin College campus.
Split into simpler sentences: He also designed public libraries, municipal buildings, grand hotels and churches. He designed nine buildings for the campus of Hebron Academy, and the Psi Upsilon Fraternity House on the Bowdoin College campus.