//-->
Colonização e reforma agrária no Brasil
Laranjeira, Raymundo, (1983)
Utviklingen av bosetning, eiendoms- og bruksforhold i Nordre Atnedalen : with a summary in English
Dahl, Blanche Pay, (1960)
Land and labor in Europe 1900 - 1950 : a comparative survey of recent agrarian history
Dovring, Folke, (1956)
New Patterns of Domination in Rural Brazil: A Case Study of Agriculture in the Brazilian Northeast.
Dias, Gentil Martins, (1978)