(2018) “Gàidhlig ga bruidhinn an seo?”: linguistic practices and Gaelic language management initiatives in Stornoway, the Western Isles of Scotland. Unpublished PhD thesis: University of Aberdeen.
(2018) Telebhisean mar ghoireas poileasaidh cànain: a chleachdadh aig cloinn dà-chànanaich. Unpublished PhD thesis: University of Edinburgh and OU/Aberdeen.
(2008) An overcoat wrapped around an invisible man? Language legislation and language revitalisation in Ireland and Scotland. Language Policy, 7(1), 21–46. 10.1007/s10993‑007‑9069‑0