Organic Grape Production, ATTRA - National Sustainable Agriculture Information Service

Organic Viticulture in New York, Cornell University

Organic Viticulture - an Australian manual, Primary Industries Research Victoria

Sample Costs to Produce Organic Wine Grapes (Chardonnay) - 2004, University of California Cooperative Extension

Sample Costs to Produce Organic Wine Grapes (Cabernet Sauvignon) - 2005, University of California Cooperative Extension

Sources for Organic Fertilizers & Amendments, ATTRA - National Sustainable Agriculture Information Service