doi:10.7916/a273-nt54Reminiscences of Lammot du Pont Copeland, Sr., 1975Copeland, Lammot du Pont, 1905-1983oral historiestextExecutivesGardens--PennsylvaniaCopeland, Lammot du Pont, 1905-1983Du Pont, Pierre S. (Pierre Samuel), 1870-1954Longwood Gardens (Kennett Square, Pa.)Pierre du Pont's development of Longwood Gardens; Mr. du Pont's interests and activities: architecture and construction at Longwood, photography, family history and papers, music, Delaware schools, horticulture, crystallography, theater, entertaining