 At 148 Concord Street stands the 1916 Manchester Institute of Arts and Science building, designed by Boston architect William Rantoul and built as a gift of Emma Blood French, Frank Carpenter's sister-in-law.To the south of the park, at 129 Amherst Street, is the Classical Revival Manchester Historical Association building, also designed by Edward Tilton.Finally, at 111 Amherst Street stands the Tilton-designed former post office building, built in 1932.