Most specialty food stores carry or can order most items used in these recipes. The following sources will ship directly to you.
For wildflower honey, Banyuls vinegar, Carnaroli rice, pink and gray salt, fleur de sel, marrow beans, salt-packed anchovies, candied Morello cherries, vacuum-packed unsweetened chestnuts, verjus, white truffle oil, lemon oil, gelatin sheets, white rock salt, and apple pectin:
Culinary Institute of America at Greystone
Dean & DeLuca
tel: 800-221-7714; 212-226-6800