1. Rooibos Tea Control Board 12th Annual Report;Anon,1967
2. Rooibos Tea Board 31st Annual Report;Anon,1985
3. Rooibos Tea Board 38th Annual Report;Anon,1992
4. Stock situation [Afrikaans];Anon,1994
5. Cape Sector Fact Sheet: The Rooibos Industry in the Western Cape;Anon,2001