Cocking, Ben (2020). Travel Journalism and Travel Media: Identities, Places and Imaginings. Springer Nature. стр. 9. ISBN9781137599087. „The launching of the Cook excursions in Britain (1841), the appearance of the first Baedekker guide (1843), the inauguration of a winter "season" in Saint Moritz (1864), the creation of Yellowstone (1877): these were the important markers of its growth path [mass tourism].”
Potter, Everett (21. 11. 2019). „St Moritz, The Birthplace Of Winter Sports”. Forbes. Приступљено 4. 3. 2022. „You can make a strong case that the origins of modern winter sports lie here, starting in the 1860’s with hotelier Johannes Badrutt, who welcomed a steady stream of well-heeled British guests to his small Kulm Hotel.”CS1 одржавање: Формат датума (веза)
