https://backbayhouses.org/robert-peabody-bellows/
William Truman Aldrich
River Street Bridge (Charles River)
Colonial Williamsburg
https://www.jstor.org/stable/25080429
http://www-newspapers-c.m.wikipedialibrary.idm.oclc.org/image/433588955/?terms=%22Robert%20P.%20Bellows%22&match=1
http://www-newspapers-c.m.wikipedialibrary.idm.oclc.org/image/531681277/?terms=%22Robert%20P.%20Bellows%22&match=1