Many other academic and research institutions include cookery and food/food culture history resource. Not all collections are available online, but if you're not in Blacksburg, there may be a collection near you.
From Knox Gelatine: Desserts, Salads, Candies and Frozen Dishes, c.1936
Wondering what other colleges, universities, and other institutions collect culinary and food history materials? Below is an alphabetical list. Wherever possible, links go directly to pages about the specific collection. Otherwise, links go to the home page for the library/special collections/archives. Some collections are general, others are focused on a region, type of food, or private collection.