the provincial and confederal authorities took heavy punitive measures against the pamphlet, and tried to find out who wrote it. it was not until 1891, over a century after the pamphlet appeared, that it could be proven without doubt that the author had been van der capellen. that year, historian adriaan loosjes had received an extract from the autobiography (in english) of françois adriaan van der kemp, who had emigrated to america in 1787.