Donkin, R.A. 1977 Spanish red - an ethnographical study of cochineal and the Opuntia cactus.. Transactions of the American Philosophical Society 67: 1-84.
Notes: Detailed study with extensive bibliography and appendices on the dye-producing scales.
Donkin, R.A. 1977 Spanish red - an ethnographical study of cochineal and the Opuntia cactus.. Transactions of the American Philosophical Society 67: 1-84.
Notes: Detailed study with extensive bibliography and appendices on the dye-producing scales.