Records of the Welsh estates of the dukes of Beaufort, earlier the earls of Worcester and William Herbert, earl of Pembroke (d. 1469), including records for the Breconshire lordships of Crickhowell, from 1382, and Tretower, from 1532; ministers�...
Records mainly of the Glamorgan estate of the marquesses of Bute and of their predecessors, the earls of Pembroke. These include letters, 1588-1855, including letters of the Herbert family of Cogan Pill, 1588-1719, but primarily the personal and e...
