Available issues for the year 1820
January
6
February
4
March
5
April
4
May
4
June
5
July
4
August
5
September
4
October
4
November
5
December
4
January
6
February
4
March
5
April
4
May
4
June
5
July
4
August
5
September
4
October
4
November
5
December
4
January
6
February
4
March
5
April
4
May
4
June
5
July
4
August
5
September
4
October
4
November
5
December
4
January
6
February
4
March
5
April
4
May
4
June
5
July
4
August
5
September
4
October
4
November
5
December
4
January
6
February
4
March
5
April
4
May
4
June
5
July
4
August
5
September
4
October
4
November
5
December
4
January
6
February
4
March
5
April
4
May
4
June
5
July
4
August
5
September
4
October
4
November
5
December
4
January
6
February
4
March
5
April
4
May
4
June
5
July
4
August
5
September
4
October
4
November
5
December
4
January
6
February
4
March
5
April
4
May
4
June
5
July
4
August
5
September
4
October
4
November
5
December
4
January
6
February
4
March
5
April
4
May
4
June
5
July
4
August
5
September
4
October
4
November
5
December
4
January
6
February
4
March
5
April
4
May
4
June
5
July
4
August
5
September
4
October
4
November
5
December
4
January
6
February
4
March
5
April
4
May
4
June
5
July
4
August
5
September
4
October
4
November
5
December
4