Lead glazed pottery, part first (common clays) : plain glazed, sgraffito and slip-decorated wares (1907)
Barber, Edwin Atlee, 1851-1916, Pennsylvania Museum and School of Industrial Art · Philadelphia : Pennsylvania Museum and School of Industrial Art · leaf 75
39. Slip-Decorated Pie Plate (13*^ inches). White Slip Beaten in. By Benjamin Bergey, about 1830. Museum No. ’93-218. 40. Slip-Decorated Dish (15 inches). Officer on Horseback. Made by Benjamin Bergey, 1838. Museum No. ’02-14.
Pottery
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
