Williamson, W. La Legge Suprema: Studio sulle origini delle religioni e sulla loro unita fondamentale; Tradotto dall' Inglese da T. Ferraris. Milano: G. Sulli Rao, 1907. 
Publisher's olive cloth, 7 x 10 inches, bumping to the corners, 256 clean pp., tight. Good. Hardcover.
W. Williamson was the pseudonym of William Scott-Elliot (1848-1919), a theosophist writer most famous for his The Story of Atlantis (1896) and The Lost Lemuria (1904). Noted at macrolibrarsi online, in reference to the 1981 reprint of La Legge Suprema by the Italian Theosophical Society.