Preserved : 2018: 69, 2020: 70(Opera Index to Volume 70 2019), 2021: 71(Opera Index to Volume 71 2020), 1950: 1950(February, April, June, August, September, November, December), 1951: 1951(January, February, March, April, May, June, July, August, September, October, November, December), 1952: 1952(January, February, March, April, May, June, July, August, September, October, November, December), 1953: 1953(January, February, March, April, May, June, July, August, September, October, November, December), 1954: 1954(January, February, March, April, May, June, July, August, September, October, November, December), 1955: 1955(January, February, March, April, May, June, July, August, September, October, November, December), 1956: 1956(January, February, March, April, May, June, July, August, September, October, November, December), 1957: 1957(January, February, March, April, May, June, July, August, September, October, November, December), 1958: 1958(January, February, March, April, May, June, July, August, September, October, November, December), 1959: 1959(January, February, March, April, May, June, July, August, September, October, November, December), 1960: 1960(January, February, March, April, May, June, July, August, September, October, November, December), 1961: 1961(January, February, March, April, May, June, July, August, September, October, November, December), 1962: 1962(January, February, March, April, May, June, July, August, September, October, November, December), 1963: 1963(January, February, March, April, May, June, July, August, September, October, November, December), 1964: 1964(January, February, March, April, May, June, July, August, September, October, November, December), 1965: 1965(January, February, March, April, May, June, July, August, September, October, November, December), 1966: 1966(January, February, March, April, May, June, July, August, September, October, November, December), 1967: 1967(January, February, March, April, May, June, July, August, September, October, November, December), 1968: 1968(January, February, March, April, May, June, July, August, September, October, November, December), 1969: 1969(January, February, March, April, May, June, July, August, September, October, November, December), 1970: 1970(January, February, March, April, May, June, July, August, September, October, November, December), 1971: 1971(January, February, March, April, May, June, July, August, September, October, November, December), 1972: 1972(January, February, March, April, May, June, July, August, September, October, November, December), 1973: 1973(January, February, March, April, May, June, July, August, September, October, November, December), 1974: 1974(January, February, March, April, May, June, July, August, September, October, November, December), 1975: 1975(January, February, March, April, May, June, July, August, September, October, November, December), 1976: 1976(January, February, March, April, May, June, July, August, September, October, November, December), 1977: 1977(January, February, March, April, May, June, July, August, September, October, November, December), 1978: 1978(January, February, March, April, May, June, July, August, September, October, November, December), 1979: 1979(January, February, March, April, May, June, July, August, September, October, November, December), 1980: 1980(January, February, March, April, May, June, July, August, September, October, November, December), 1981: 1981(January, February, March, April, May, June, July, August, September, October, November, December), 1982: 1982(January, February, March, April, May, June, July, August, September, October, November, December), 1983: 1983(January, February, March, April, May, June, July, August, September, October, November, December), 1984: 1984(January, February, March, April, May, June, July, August, September, October, November, December), 1985: 1985(January, February, March, April, May, June, July, August, September, October, November, December), 1986: 1986(January, February, March, April, May, June, July, August, September, October, November, December), 1987: 1987(January, February, March, April, May, June, July, August, September, October, November, December), 1988: 1988(January, February, March, April, May, June, July, August, September, October, November, December), 1989: 1989(January, February, March, April, May, June, July, August, September, October, November, December), 1990: 1990(January, February, March, April, May, June, July, August, September, October, November, December), 1991: 1991(January, February, March, April, May, June, July, August, September, October, November, December), 1992: 1992(January, February, March, April, May, June, July, August, September, October, November, December), 1993: 1993(January, February, March, April, May, June, July, August, September, October, November, December), 1994: 1994(January, February, March, April, May, June, July, August, September, October, November, December), 1995: 1995(January, February, March, April, May, June, July, August, September, October, November, December), 1996: 1996(January, February, March, April, May, June, July, August, September, October, November, December), 1997: 1997(January, February, March, April, May, June, July, August, September, October, November, December), 1998: 1998(January, February, March, April, May, June, July, August, September, October, November, December), 1999: 1999(January, February, March, April, May, June, July, August, September, October, November, December), 2000: 2000(January, February, March, April, May, June, July, August, September, October, November, December), 2001: 2001(January, February, March, April, May, June, July, August, September, October, November, December), 2002: 2002(January, February, March, April, May, June, July, August, September, October, November, December), 2003: 2003(January, February, March, April, May, June, July, August, September, October, November, December), 2004: 2004(January, February, March, April, May, June, July, August, September, October, November, December), 2005: 2005(January, February, March, April, May, June, July, August, September, October, November, December), 2006: 2006(January, February, March, April, May, June, August, September, October, November, December), 2007: 2007(January, February, March, April, May, June, July, August, September, October, November, December), 2008: 2008(January, February, March, April, May, June, July, August, September, October, November, December), 2009: 2009(January, February, March, April, May, June, July, August, September, October, November, December), 2010: 2010(January, February, March, April, May, June, July, August, September, October, November, December), 2011: 2011(January, February, March, April, May, June, July, August, September, October, November, December), 2012: 2012(January, February, March, April, May, June, July, August, September, October, November, December), 2013: 2013(January, February, March, April, May, June, July, August, September, October, November, December), 2014: 2014(January, February, March, April, May, June, July, August, September, October, November, December), 2015: 2015(January, February, March, April, May, June, July, August, September, October, November, December), 2016: 2016(January, February, March, April, May, June, July, August, September, October, November, December), 2017: 2017(January, February, March, April, May, June, July, August, September, October, November, December), 2018: 2018(1-12, 2018-2019), 2019: 2019(January 2020, February 2019, March 2019, April 2019, May 2019, June 2019, July 2019, August 2019, September 2019, October 2019, November 2019, December 2019, Opera Awards 2019), 2020: 2020(2020-2021), 2021: 2021(2021-2022) |
