Kearsley's Traveller's Entertaining Guide Through Great Britain (1801):
Marlborough is near the source of the river Kennet. It takes its name from the nature of its soil. It was a Roman station and had once a castle; and there are some small remains of its wall and ditch. Here, in 1267, a parliament was held. To the south are some relics of a priory, particularly the gate-house, and the site of a Roman castrum, the foundations of which have been discovered here, together with Roman coins. The town has often suffered by fire, and in 1690 an act of parliament was made, to prevent the houses in it from being thatched. On the l. is the Castle Inn, formerly a seat of the duke of Somerset. Two miles from it on the r. is the Bockley-house, colonel St. John. Three miles on the l. is Bagdon-lodge, Lord Bruce
Inns: Castle Inn
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