Agricultural laborers are usually found used in connection with the industrial worker who must live on a wage in cash. Within this limited conception the significance of the subject for the Netherlands Indies is certainly much less than for states with a highly developed factory industrial system and a large working population, for the Netherlands Indies is primarily an agricultural country. In so far as one can or will speak of a working class amongst the agricultural population there are two things to be kept in mind. Who are carrying out jobs in native agriculture in various sorts of subordinate relationships or are working in the foreign estate agriculture the so-called “cultures”. This book includes : in the time of the old labour systems, the introduction of the Kedok System, forms of Labour in 1922, and forms of labour in 1936.