Edward Emerson's 585 page book, Beverages Past and Present, 1908, is now available as a free Google download. As you might guess, much of the book concerns wine over the ages. However other beverages are not neglected. I am sure you are waiting with baited breath to learn about milk fermented in goat skins :-) . The download is at:
formatting link
Perhaps someone will attempt to duplicate that milk fermented in a goat skin and give us tasting notes.