Henry Norbert Birt, Catholic Encyclopedia (1913)
“ Most monasteries had a mill for grinding their own corn. It will thus be seen that an Abbey, especially if it maintained a large community, was a little city, self-contained and self-sufficing, as St. Benedict wished it to be, to obviate as far as possible any necessity for the monks to leave the enclosure. The enormous development of the monastic life brought in its train a similar development in the accommodation suitable for it. The monastic buildings, at first so primitive, grew in time till they presented a very imposing appearance ”
