Keninklike Feriening De Fryske Alve Stêden: ferskil tusken ferzjes
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Rigel 21:
* [[A. Hannema]] (1952 oant [[1958]])
* [[Jan Hoogland]] (1958 oant [[1969]])
* [[
* [[Jan Sipkema]] (1984 oant [[1994]])
* [[Henk Kroes]] (1994 oant [[2007]])
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