Yorkshire Dry Stone Walling Guild - A membership organisation of people concerned about the future of these landmark features; information about membership, training courses, news and photo galleries. - http://www.ydswg.co.uk/
Dry Stone Walling Association - Charitable organisation committed to the preservation of dry stone walls and to the training of people in the craft of dry stone walling. Projects, competitions, branches, books and gallery. - http://www.dswa.org.uk/
BTCV Handbooks Online - Dry Stone Walling - Text of a book published by the British Trust for Conservation Volunteers. Covers building various types, features, know your stone, variations and wall furniture such as cripple holes and smoots. - http://handbooks.btcv.org.uk/handbooks/index/book/61