Hamer, R., & Hamer, B. H. (1979). The four seasons of Chester County: The first all-color pictorial of William Penn's first named county featuring many olde country inns. West Chester, Pa.: Four Seasons Book Publishers.

Hamer, Red., and Barbara H. Hamer. The Four Seasons of Chester County: The First All-color Pictorial of William Penn's First Named County Featuring Many Olde Country Inns. West Chester, Pa.: Four Seasons Book Publishers, 1979.

Hamer, Red., and Barbara H. Hamer. The Four Seasons of Chester County: The First All-color Pictorial of William Penn's First Named County Featuring Many Olde Country Inns. West Chester, Pa.: Four Seasons Book Publishers, 1979.