Title: Jehuda ben Jakob, Hanhagat ha-Beri'ut (Traktat zur Gesundheitslehre)
Subjects: Jews, Medicine, History, Health, Early works to 1800, Medieval Medicine, Essays, Medical Education, Medieval History, Diet, Food Habits, Health Behavior, Nutritional Requirements
People: Judah ben Jakob, Judah ben Jacob physician (active 15th century?)