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
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
Type 21 D; Curved Rims; Restricted Use of Glaze Broneer, Corinth, Vol. IV, Part II, Terracotta Lamps, Type IV Type 21 B; Curved Rims; Raised Bases Ostraka Hesperia, II, 1933, pp. 196, 197, figs. 1, 3 and 2, 3
Type 21 D; Curved Rims; Restricted Use of Glaze Pit Hesperia, XXII, 1953, p. 111, no. 179 Type 21 B; Curved Rims; Raised Bases Type 21 Variants; Curved Rims; Variant Features Type 21 A; Curved Rims; Plain Bottoms Type 21 C; Curved Rims; Long Wide Nozzles Hesperia, XV, 1946, p. 334, no. 346 Well Other Ostraka Hesperia, XV, 1946, p. 335, no. 350
Type 21 C; Curved Rims; Long Wide Nozzles Broneer, Corinth, Vol. IV, Part II, Terracotta Lamps, Type IV Type 21 B; Curved Rims; Raised Bases Hesperia, I, 1932, p. 133, fig. 20 Hesperia, XVIII, 1949, p. 338, no. 109, fig. 8, pl. 99 Well Dump