If you don't find a professional association of interest to you, contact a librarian for help locating one which addresses your field.
Hear chefs and culinary professionals discuss what they expect from and value in chefs who are applying for a job in their restaurants.
(1-hour video form the ACF)
There are several repositories of historical books on culinary topics, including cookbooks, menus, and more. See some examples below, and consult with a librarian if you don't easily find what you need.