Vols. for June 1936-1947 lack vol. numbering but constitute v. 63-72/74 and are called n. s. v. 1-10.
Vols. for 1884-93 also called 2. ser.; 1894-1903, 3. ser.; 1884-1913/14, 4. ser.; 1914/15-1923, 5. ser.; 1924-1933/34, 6. ser.; 1934/35-1935/36, 7. ser.; 1948/49-1960, 8. ser.; 1961-1971/73, 9. ser.; 1974- , 10. ser.; <1985->1993, 11. ser.; 1994- , 12. ser.