Cf. Sekai Toji Zenshu, Vol.10, Shogakukan Series, no.194, for a red pottery tripod vessel with two piecrust borders and a stud to either side of the spout; a fragment of a white pottery example is illustrated in figure 52; another squat red pottery li is illustrated in figure 58. The stratification and the vessel type associated with the Early, Middle and Late periods of Longshan Culture are illustrated in figures 56 & 57.