Pennsylvania Horticultural Association

Proceedings of the State Horticultural Association of Pennsylvania for 1916

Proceedings of the Fifty-Sixth Annual Meeting of the State Horticultural Association of Pennsylvania Held in Wilkes-Barree, Pa., January 19, 20, 21, 1915 (Classic Reprint)

Proceedings of the Fifty-Fifth Annual Meeting of the State Horticultural Association of Pennsylvania

Pennsylvania State Horticultural Association News; March, 1924, Vol. 1: Proceedings of the State Horticultural Association of Pennsylvania for 1924; Sixty-Fifth Annual Meeting Held in Harrisburg, January 22-24, 1924 (Classic Reprint)

Pennsylvania State Horticultural Association News, Vol. 3

Proceedings of the State Horticultural Association of Pennsylvania for 1927 (Classic Reprint)

Proceedings of the State Horticultural Association of Pennsylvania for 1932 (Classic Reprint)

Proceedings of the Eighty-First Annual Meeting, Farm Show Building, Harrisburg, Penna

Proceedings of the State Horticultural Association of Pennsylvania for 1935: Seventy-Sixth Annual Meeting, Held in Harrisburg, Pa., January 23-24, 1935 (Classic Reprint)

Pennsylvania Horticultural Association, Proceeding of the Eighty-Fourth Annual Meeting: Chestnut Street Hall Auditorium, Harrisburg, Penna., January 13 and 14, 1943 (Classic Reprint)

Proceedings of the State Horticultural Association of Pennsylvania for 1937

Proceedings of the State Horticultural Association of Pennsylvania for 1925