Book Chapter
Maas, I., &
van Leeuwen, M. H. D. (1998). HISCO coding principles: Status quo after having coded the 500 most frequent male occupations in historical data sets from Belgium, Canada, England, France, the Netherlands and Sweden. In
M. H. D. van Leeuwen,
I. Maas, &
A. Miles (Eds.),
Historical international standard coding of occupations: Status quo after coding 500 frequent mal occupations (pp. 5–24). Max Planck Institute for Human Development.