The Royal Commission on Historical Monuments of England survey, covering the north west of the county, including the towns of Thaxted and Saffron Walden and Audley End House.

The Royal Commission on Historical Monuments of England survey, covering the centre and south west of the county, including the cathedral city of Chelmsford and the abbey at Waltham Holy Cross.

The Royal Commission on Historical Monuments of England survey, covering the north east of the county, including the towns of Colchester and Harwich.

The Royal Commission on Historical Monuments of England survey, covering the south east of the county, including the towns of Burnham, Hornchurch and Upminster.

The Royal Commission on Historical Monuments of England survey of the Iron Age and Romano-British monuments in the Cotswold area of Gloucestershire. There is a section on discredited hill-forts and camps and appendices on place-names and ring-ditches.

The Royal Commission on Historical Monuments of England survey, covering the south west of the county, with particular attention paid to the cathedral city of Hereford.

The Royal Commission on Historical Monuments of England survey, covering the east of the county, including the towns of Ledbury and Ross-on-Wye.

The Royal Commission on Historical Monuments of England survey, covering the north west of the county, including the town of Leominster.

The Royal Commission on Historical Monuments of England survey, covering the whole of the county; notable monuments include Hatfield House and St. Albans Abbey.

The Royal Commission on Historical Monuments of England survey, covering the whole of the historic county of Huntingdonshire, including the towns of Huntingdon and Kimbolton. The county, now part of western Cambridgeshire, ranged from Keyston in the west, Great Gransden in the south, Somersham in the east and the southern extremities of Peterborough in the north.