1914
1914–1917
1917–1967
1967–present
1967–1975
1975–1982
1982–1989
1986–1988 (75th anniversary logo)
1989–1995
1995–2010
2002 (90th anniversary logo)
2010–present
2011–2013 (100th anniversary logo)
Other
This page only shows primary logo variants. For other related logos and images, see:
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