Literature
- Borhegyi de , Stephen F. 1950 . A Group of Jointed Figurines in the Guatemala National Museum , Notes on Middle American Archaeology and Ethnology, No. 100 Cambridge, Mass
- _____ . 1954 . Jointed Figurines in Mesoamerica and their cultural implication . Southwestern Journal of Anthropology , 10 ( 3 ) : 267 – 277 . Albuquerque
- Haberland , Wolfgang . A Pre‐Classic Complex of Western El Salvador, C. A. Proceedings, XXXII. International Congress of Americanists . pp. 485 – 490 . Copenhagen
- Kidder , Alfred V. 1949 . Certain Archaeological Specimens from Guatemala , Notes on Middle American Archaeology and Ethnology, No. 92 Cambridge, Mass.
- _____ . 1950 . Certain Archaeological Specimens from Guatemala, II , Notes on Middle American Archaeology and Ethnology, No. 95 Cambridge, Mass.
- Munsell . 1954 . Munsell Soil Color Charts, , 1954 edition Baltimore
- Winning von , Hasso . 1958 . Figurines with movable limbs from Ancient Mexico . Ethnos , 23 ( 1 ) : 1 – 60 . Stockholm