Chris Bond<p>#813 Anna Ritchie and Graham Ritchie - The Ancient Monuments of Orkney. Her Majesty's Stationery Office, Historic Scotland, 1990, 3rd edition, 2nd impression. <a href="https://mastodon.social/tags/AnnaRitchie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AnnaRitchie</span></a> <a href="https://mastodon.social/tags/GrahamRitchie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GrahamRitchie</span></a> <a href="https://mastodon.social/tags/HMSO" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HMSO</span></a> <a href="https://mastodon.social/tags/HistoricScotland" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HistoricScotland</span></a> <a href="https://mastodon.social/tags/Orkney" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Orkney</span></a> <a href="https://mastodon.social/tags/Archaeology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Archaeology</span></a> <a href="https://mastodon.social/tags/StandingStoneSunday" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>StandingStoneSunday</span></a> <a href="https://mastodon.social/tags/BookOfTheDay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BookOfTheDay</span></a></p>