 | De Long's Wine Grape Varietal Table | Offers information about 144 varieties organized in an interactive table. Also sells a print version of the table. |
 | Enjoying Viognier | Features news and information about Viognier, a wine of the month, and a searchable database of retailers and prices. |
 | P.S. I Love You | Industry organization dedicated to promoting the Petite Sirah grape. Includes a history of Petite Sirah, articles, a list of members, and recipes of suggested food pairings. |
 | Pinotage Association | Association promoting South Africa's Pinotage. Contains a history of the grape, winemaking information, and a producer list. |
 | PinotFile | A Free Weekly Online Newsletter Exclusively Devoted to Pinot Noir. |
 | TasteTour.com | A series of wine guide booklets and wine chart posters on the six major wine varietals of the world. |
 | Zinfandel Advocates and Producers | Non-profit organization dedicated to promoting Zinfandel. Contains information about the grape, membership details, and a list of events. |
 | ZOW - Zinfandel on the Web | Contains tasting notes and links to Zinfandel-producing wineries. |
