Source: The Illustrated London News, Feb 21, 1846, p.135
DANCING TAUGHT, in the most fashionable style, by Mr. WILLIS, 41 Brewer-street, Golden-square. Private Lessons, in the Polka, Cellarius Valse, and Valse a Deux Temps, at all hours, to Ladies and Gentlemen of any age wishing privacy and expedition. An Evening Academy on Monday and Friday. A Juvenile Academy on Wednesday and Saturday. Terms may be had on application as above.