72d-74th reports, 1907-1909, contain "Key to the New York point system of tangible writing and printing for literature, instrumental and vocal music, and mathematics...Rev. from editions of 1872, 1882 and 1893. By Wm. B. Wait"; 77th report, 1912, contains another ed. "Revised from editions of 1872, 1882, 1893, and 1909".