Quiggin, Alison Hingston. A SURVEY OF PRIMITIVE
MONEY: THE BEGINNINGS OF CURRENCY. Reprint. London: Spink & Son,
1978. |
p67 |
|
WESTERDIJK, H. Izerwerk van Centraal-
Afrika. (Ironwork of Central Africa) Rotterdam 1975. 154 Pages, 15b/w,
650 line, 3 maps. Text: Dutch |
p130 #D |
|
Opitz, Charles J. ODD AND CURIOUS
MONEY: DESCRIPTIONS AND VALUES. Second Edition. Ocala, FL: First Impressions
Printing, 1991. |
p62 |
|
Roberto Ballarini,
Armi
Bianche Dell'Africa Nera (Black Africa's Traditional Arms),
Africa Curio, Milano 1992. 128 Pages. |
pp111#69 |
|
Banque De Kinshasa
Exercice 1978 |
p? |
|
Claudia Zaslavsky,
Africa
Counts: Number and Pattern in Africa Culture, Prindle, Weber &
Schmidt, 1973. |
p? figure 7 8 |
|