50 A MEDIAEVAL CITY grave-slabs were made bearing finely designed effigies. Marketing, i.e. trading, was done mostly at the frequent and regular markets and at the fairs. The right to hold a market or a fair was among the rights obtained by means of ro}^al charters. While markets were held once or several times a week or every day, fairs took place more rarely and at some of the most important and popular holiday seasons of the year, like Whitsuntide. Fairs attracted a much larger public than the markets. In the city there were markets in different places for different kinds of produce on certain days. For instance, in the fifteenth century there was a market of live-stock at Toft Green every Friday. The public squares, called Thursday Market and Pave- ment, were tised as market-places. Some markets were held in the streets. Stalls were set up on which to exhibit the wares. The ordinary food- stuffs and materials, just as in the open market held at the present time in the long and broad Parliament Street, formed of Thursday Market and Pavement and the space formerly occupied by a compact mass of old houses between the two originally distinct squares, were the things sold and bought at the mediseval markets: such as butter, meat, fish, linen, leather, corn, poultry, herbs. Some, for example butchers' 'shops, kept open market every day. Craftsmen worked goods at the premises of their merchant employers, which usually combined the latters' home and workshop; it was chiefly at the markets and f airs that these goods were sold. Markets and fairs were controlled by theauthority, whether municipal or archiepiscopal, that possessed the right of holding them. Again, particular care was taten to .ensure preference being obtained by