Item [19] is three recipe cards. Includes color illustrations of serving suggestions. Has list of available books. One recipe card has substitute for whipped cream using gelatine and evaporated milk.
Item [20] has recipes similar to those in previous books. Note on p. 32 has list of books with recipes for 6 or more servings.
Item [21] is similar to [8], but smaller size. Company name now has Inc. at end. Has chapter on using mechanical refrigerators. Note that packaging has changed to four envelopes per box, with one half the amount in each envelope. Illustration of packaging with improved label. Has list of books available.
Item [22] is similar to [18] except for covers.
Item [23] is similar to [15], but has recipes using the new packaging. Illustrations of product packaging and serving suggestions. Has list of available books on p. 71. 2 copies.
Item [24] is similar to [19]. Has description of Knox Jell, a flavored gelatine dessert. Has suggestions for Sunday night suppers and bridge parties. 3 copies.
Item [25] is similar to [18], but no list of available books. Has descriptions of Knox Jell.
Item [26] has introduction titled: Diet and like it. Includes height and weight charts for men and women. Has non-fattening menus with recipes. Illustrations of product packaging and serving suggestions. List of free leaflets and recipe books.
Item [27] has recipes for dishes with 9 to 19 minute preparation time prior to refrigeration. Recipes are attributed to Ladies' home journal, Women's home companion, Good housekeeping, and Prof. Bristow Adams of Cornell University for True story magazine. Has instructions for automatic or ice refrigerators on p. 3. Has list of free leaflets and recipe books. 2 copies.
Item [28] has suggested recipes for holidays, patriotic parties, warm weather entertaining, and Sunday night suppers, bridges, and lunches. Illustration of product packaging and serving suggestions. Has list of free leaflets and recipe books. 2 copies.