Castles and cannon : A study of early artillery fortifications in England.

von O'Neil, Bryn Hugh St. John
Westport/ Connecticut : Greenwood, 1975.
Umfang/Format: 121 S. : Abb. ; 23 cm.

Isles of Scilly.

von O'Neil, Bryn Hugh St. John
London : Her Majesty's Stationery Office, 1949.
Umfang/Format: 26 S. : Taf. ; 22 cm.

Isles of Scilly.

von O'Neil, Bryn Hugh St. John
London : Her Majesty's Stationery Office, 1950.
Umfang/Format: 26 S. : Taf. ; 22 cm.

Ancient monuments of the Isles of Scilly.

von O'Neil, Bryn Hugh St. John
London : Her Majesty's Stationery Office, 1961.
Umfang/Format: 28 S. : Abb. Taf. ; 22 cm.

Ancient monuments of the Isles of scilly.

von O'Neil, Bryn Hugh St. John
London : Her Majesty's Stationery Office, 1964.
Umfang/Format: 31 S. : Abb. Taf. ; 21 cm.