Number 4: Autumn 1977 - Montmorin, Public Land Survey, Harmony Society, Landmarks Maps, Mills, the Old Suspension Bridge, and House of Mercy Lutheran Church, Beaver County Railroad Stations.
Number 3: Summer 1977 - Landmarks Maps, Geneva College, New Philadelphia, Friedenstadt, Dr. Bausman, and Family History Guidelines, Beaver County Log Cabins--Pictorial.
Number 2: Spring 1977 - Landmark Maps, Cannel Coal, Logstown, Kobuta, 1859 Superintendant's Report, and Greersburgh Academy.
Number 1: Winter 1977 - Franklin Mutual Phone Company, Mr. Lincoln, Pioneer Women, Stone Houses of Beaver County.