- en.wikipedia.org Boghall CastleBoghall Castle was a 14th-century castle to the south of Biggar, South Lanarkshire, Scotland. Boghall became ruinous in the 19th century. History.
- stravaiging.com history/castle/boghall-castle/In 1650 Boghall was besieged by Cromwell’s troops, who took the castle and held it for some time.
- artuk.org discover/artworks/boghall-castle-189571Boghall Castle by James Lindsay (active 1881–1906), from Biggar Museum Trust.
- castle-finders.co.uk Scotland/boghall%…Boghall Castle was in its day one of the largest and most imposing castles in the south of Scotland.
- scottishcastlesassociation.com news/past-present/…Boghall Castle, Lanarkshire 1870 (it collapsed shortly afterwards) and now.
- ancientmonuments.uk 121757-boghall-castlebiggar-…The monument consists of the remains of Boghall Castle, the medieval fortified residence of the Flemings.
- wowtyres.co.uk boghall castleAndrew Spratt on X: In 1443 the Red Douglas of Tantallon & Lord Crichton joined forces to burn the lands around Corstorphine Castle (Forrester), Boghall Castle...
- abarothsworld.com Places/Boghall Castle.htmBoghall Castle seen from the road at the south.
- clydesdalesheritage.org.uk postcard/boghall-…A rather fanciful print of Boghall Castle dating from 1867. Boghall Castle was a 14th century castle to the south of Biggar.
- thecastleguide.co.uk castle/boghall-castle/Boghall Castle, two towers remain of large C16 or earlier castle of the Flemings abandoned C18 and robbed of stone.