@book {1992, title = {Een middeleeuwse samenleving. Het land van Heusden ca. 1360 - ca. 1515}, series = {Historiae Agriculturae}, volume = {25}, year = {1992}, publisher = {Landbouwhogeschool Wageningen}, organization = {Landbouwhogeschool Wageningen}, address = {Wageningen}, author = {Hoppenbrouwers, Peter C.} }