Barbot, John 1746 A Voyage to New Calabar, pp. 455-67 in Churchill Collection of Voyages and Travels, Vol. V. Linot and Osborn, London.

Beck, Horace C. 1928 Classification and Nomenclature of Beads and Pendants. Archaeologia 77:1-76 (also reprinted Liberty Cap, Lancaster PA, USA).

Francis, Peter, Jr. 1994a Beads at the Crossroads of Continents, pp. 281-305 in William W. Fitzgerald and Valerie Chaussonnet, eds. Anthropology of the North Pacific Rim. Smithsonian Institution, Washington.

--- 1994b Gooseberry Beads. Margaretologist 7(1):5-7.

Haldeman S.S. 1879 Beads, pp. 263-69 in Report on United States Geographical Surveys West of the One Hundredth Meridian. Vol. VII - Archaeology. Government Printing Office, Washington.

Jenkins, Michael R. 1972 Trade Beads in Alaska.The Alaska Journal 2(3):31-9.

Karklins, Karlis 1967 European Trade Beads in Florida. The Florida Anthropologist 20(3/4):164-9.

Kelly, Isabel 1992 Trade Beads and the Conquest of Mexico. Rolston-Bain, Windsor, Ontario.

Ninni, Irene and Lucy Segatti (trans.) 1991 L'impiraressa: The Venetian Bead Stringer. Beads 3: 73-82.

Sorensen, Cloyd 1971 The Enduring Intrigue of the Glass Trade Bead. Arizona Highways 47(7):10-37.

Spector, Janet D. 1976 The Interpretive Potential of Glass Trade Beads in Historic Archaeology. Historical Archaeology 10:17-27.

Springett, Christine and David Springett 1987 Spangles and Superstitions. C&D Springett, Rugby (UK).

Whitthoft, John 1966 Archaeology as a Key to the Colonial Fur Trade. Minnesota History 40(4):203-07.

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