A Quaker Woman’s Cookbook, The Domestic Cookery of Elizabeth Ellicott Lea by William Woys Weaver

Lettuce. Persons that are fond of lettuce may have it nearly all the year, by sowing the different kinds, and keeping it covered through the winter; the most approved way of dressing it is to cut it fine, and season it with oil, mustard, pepper, salt, vinegar, and a hard egg chopped.”