Hesperia, XVIII, 1949, p. 338, no. 112 Well Dump Type 21 C; Curved Rims; Long Wide Nozzles Type 21 C Prime; Curved Rims; Long Wide Nozzles; Unglazed Type 21 A; Curved Rims; Plain Bottoms Type 21 B; Curved Rims; Raised Bases
4th quarter of 5th B.C. 4th quarter of 5th B.C.-well into early years of 4th B.C.
pl. 34 Type 21 C Prime; Curved Rims; Long Wide Nozzles; Unglazed Type 21 C; Curved Rims; Long Wide Nozzles Type 21 B; Curved Rims; Raised Bases Type 21 A; Curved Rims; Plain Bottoms Type 20; Early Lamps with Curved Sides; Ridge around Filling-Hole
pl. 6 Type 21 A; Curved Rims; Plain Bottoms Type 21 B; Curved Rims; Raised Bases Type 21 C; Curved Rims; Long Wide Nozzles Type 21 C Prime; Curved Rims; Long Wide Nozzles; Unglazed Type 21 D; Curved Rims; Restricted Use of Glaze Type 21 Variants; Curved Rims; Variant Features
Well Hesperia, XV, 1946, pp. 272-273, no. 8 Type 21 A; Curved Rims; Plain Bottoms Type 21 B; Curved Rims; Raised Bases Broneer, Corinth, Vol. IV, Part II, Terracotta Lamps, Type IV Type 21 C; Curved Rims; Long Wide Nozzles