The Pennellville Diaries offer a daily account of the duties and activities associated with rural farm life in Oswego County. The diaries contain descriptions of everyday labors from both the male and female perspective, and the numerous special events which highlighted their year. The diaries include entries on produce prices, trips to various parts of the county and mentions the activities of Farmer’s Institute and the One Room School House.

All negatives in the collection are the work of William "Billy" Koch and are presumably set in Brooklyn, N.Y. Images show houses, farms, and street scenes, as well as portraits of groups and individuals outdoors.