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Zur Geschichte der niederländischen Statistik
Methorst, H. W., (1904)
75 jaar statistiek van Nederland
(1975)
Studies in econometric history
Conrad, Alfred H., (1965)
Measurement of productivity in the Netherlands
Idenburg, Ph. J., (1955)
A new approach to the urban-rural classification
Idenburg, Ph. J., (1961)
The place of statistics in governmental organization
Idenburg, Ph. J., (1951)