( 1) Ordnance Survey Map (Scale / Date)
OS 1:10000 1974
|
(2) Proceedings of the Dorset Natural History and Antiquarian Field Club
35 (1914) Page(s)34
|
(3) General reference
Ministry of Works. 1965. Portland Castle Official Guide
|
(4) Royal Commission on Historical Monuments (England) 1970 An inventory of historical monuments in the County of Dorset. Volume two : south-east [in three parts]
Part 2 Page(s)250-2
|
(5) by Department of the Environment, Ancient Monuments and Historic Buildings London 1978 List of ancient monuments in England: Volume 1, Northern England; Volume 2, Southern England; Volume 3, East Anglia and the Midlands
3 Page(s)82
|
(6) Field Investigators Comments
F1 JB 07-JUL-80
|
(7) by H M Colvin ... [et al] 1982 The history of the King's Works, volume 4 : 1485-1660 (Part 2)
Page(s)399, 404-5, 466-70
|
(8) by Ian V Hogg 1974 Coast defences of England and Wales, 1856-1956
Page(s)228-9
|
(9) Notes and queries for Somerset and Dorset
30 (1976) Page(s)155-7
|
(10) General reference
Maps and Plans of the Public Record Office 1967 303
|
(11) List of Buildings of Special Architectural or Historic Interest
Weymouth and Portland 17/05/1993 969-1
|
(12) Scheduled Monument Notification
25/09/1997
|
(13) Genevieve Wheatley 1994 A teacher's handbook to Portland Castle
|
(14) by David J Cathcart King 1983 Castellarium anglicanum : an index and bibliography of the castles in England, Wales and the islands. Volume I : Anglesey - Montgomery
1 Page(s)127
|
(15) Fortress Study Group Fort : the international journal of fortification and military architecture
16, 1988 Page(s)46-7
|
(16) Harrington, Peter 2007 The Castles of Henry VIII
Page(s)22
|
(17) 2009 English Heritage Visitor Handbook 2009/10
Page(s)114
|
(18) Stewart Brown Associates [assessment & evaluation reports]
|
(19) English Heritage 2000 Portland Castle, Dorset [guide]
|
(20) Bridge, MC 2000 Tree-ring analysis of a timber from Portland Castle, Castleton, Dorset, Centre for Archaeology Reports 62/2000
|