%L acta5786 %A SzĂĄntĂł RichĂĄrd %P 118-121 %V 4 %T The structure of the estate : the society and political institutions of Derbyshire in the late fourteenth and first half of the fifteenth century %D 2004 %J Chronica %K TĂśrtĂŠnelemtudomĂĄny