The return from cows and sheep in cheese is worth much money every day in the season, without calves and lambs, and without the manure, which all return corn and fruit.
Robert GrossetesteAnd in doing this I advise you to send to the best manors of your lands those of your household in whom you place most confidence to be present in August at the leading of the corn, and to guard it as aforesaid.
Robert GrossetesteIf you know how many acres you have sown of each kind of corn, inquire how much the acre the soil of that land takes for sowing, and count the number of quarters of seed, and you shall know the return of seed, and what ought to be over.
Robert Grosseteste