I own a ton of Baedeker Handbooks (paid a pretty penny for a few of them) and now I find that they’ve been uploaded to Google Books! Take a trip through Great Britain of 1901, Berlin in 1910, Austria-Hungary before WWI, or the United States, Cuba, and Alaska in 1909.
Travel around the Night Side of London, or discover where to eat in the city with the Gourmet’s Guide to London.
Learn Lina Cavalieri’s secrets of beauty, or how to do your hair, lose weight, and pamper yourself in Beauty Culture: a Practical Handbook.
How about the etiquette of New York society vs that of London?