Sabhal Mòr Ostaig  
 
 
20th Century Publications in Gaelic (1900-1973): Donald John MacLeod. (Scottish Academic Press) 1980: Iomradh air gach leabhar is iris anns a bheil barrachd air 2-3 duilleag de Ghaidhlig air fhoillseachadh.

An Introduction to Gaelic Poetry: Ruairidh MacThomais (1974) Gollancz

The Companion to Gaelic Scotland: Deas Ruairidh MacThomais (1994) Basil Blackwell Ltd.

The History of Scottish Literature, Vol 4; Twentieth Century: Deas. Cairns Craig (1987) Aberdeen University Press: Tha tri cabidilean inntinneach air litreachas Gaidhlig anns an leabhar seo. Caib 10; Terence McCaughey air Somhairle MacGilleain: Caib 13; Raghnall MacGille-Dhuibh air Bardachd Gaidhlig na 20mh Linn - "Thunder, Renaissance and Flowers": Caib 21; Rosg Gaidhlig le Domhnall Iain MacLeoid.

The Literature of Scotland (MacMillan History of Literature): Roderick Watson. (MacMillan) 1984. Tha e a giulain fios mu na sgriobhaidhean aig Somhairle MacGIll-Eain, Deorsa Mac Iain Dheorsa, Ruairidh MacThomais agus beagan air Domhnall MacAmhlaidh. Tha Iain Mac a Ghobhain air a thomhas mar sgriobhadair bardachd agus rosg ann an Gaidhlig agus Beurla. Tha cuid dhe na baird oga, a bha tighinn gu barr aig an am a chaidh an sgrudadh a dheasachadh, air an ainmeachadh cuideachd

Studies in Scottish Literature: Deas G Ross Roy (1979) University of South Carolina Press. Agallamh le Somhairle MacGill-eain, Aonghas Dubh MacNeacail (fon ainm Angus Nicolson)

War Poetry, an Introductory Reader: Simon Featherstone (1995)
Routledge. Gheibhear iomradh goirid air bàrdachd Shomhairle MhicGill-eain, agus taghadh de bhàrdachd cogaidh.