ABTrenton (1948)3Chicago (1968)3New Haven (1969)4New York (1969)4Fort Dix (1969)5Harrisburg (1970)6Milwaukee (1970)6Wilmington (1971)6San Quentin (1971)7San Francisco (1971)7Birmingham (1974)8Guilford (1974)9Tottenham (1985)9Ogoni (1995)9Charleston (2000)10Thessaloniki (2003)21Tarnac (2008)38
(partial cheat sheet here)