Hertog, Johan den: 'Stille politiek' en de pacificatie van 1917 ('Silent politics' and the 1917 pacification), in: Boss, Dennis / Ebben, Maurits Alexander / Velde, Henk te (eds.): Harmonie in Holland? Het poldermodel van 1500 tot nu (Harmony in Holland? The polder model from 1500 until now), Amsterdam 2007 Bert Bakker, pp. 176-193, 259-261.
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