Tag 'ref = 020'

Value histogram for key 'start_date'

• 2: 1960
• 1: 1920
• 1: 1975
• 1: 1950
• 1: 2004
• 1: 1990
• 1: 1959
• 1: 1957
• 1: 1967
• 1: 1966