Jefferson Land Association Historic DistrictThe Jefferson Land Association Historic District is a national historic district that is located in Bristol, Bucks County, Pennsylvania.It was added to the National Register of Historic Places in 1987.History and architectural featuresIt encompasses eighty-one contributing buildings that are located within five blocks of a primarily residential area of Bristol. Built between 1917 and 1918, they are two-story, brick rowhouse dwellings with flat roofs. They are characterized by a one-story, unifying front porch for all houses in a block. The second floor has a projecting, three-sided bay and each dwelling has a two-story rear ell. This district also includes five commercial buildings that are situated at the end of rows.