Here Online Masters In Public Health provides us a brief history of milk and how it became the popular product that it is today. You can see what food items have milk as a critical ingredient and what the difference is between raw and pasteurized milk. Not to mention there are many animals (and non-animals!) that produce human-consumed milk other than cows.
In support of the raw milk community and the education of dairy consumers, Natural News has published an infographic about organic raw (fresh) milk versus conventional (pasteurized) milk. This infographic reveals the crucial differences between the nutritional properties, animal compassion and health implications of raw milk versus pasteurized milk.