The following five periodicals were either bilingual or all-Gaelic, had Gaelic titles, and sought to promote new Gaelic writing and discussion of various subjects through the medium of Gaelic.
- Am Bàrd (‘The Poet’, 1901–1902, monthly)
- Guth na Bliadhna (‘The Year’s Voice’, 1904–1925, quarterly)
- Alba (‘Scotland’, 1908–1909, weekly)
- An Sgeulaiche (‘The Storyteller’, 1909–10 monthly, 1910–11 quarterly)
- An Ròsarnach (‘The Rose Garden’, 1917, 1918, 1921, 1930, annual)
- Alba II (‘Scotland’, 1920–1921, weekly, later monthly)
Erskine also featured Gaelic writing, translations from Gaelic, and articles concerning Gaelic topics in the following two periodicals which he edited and which were predominantly Anglophone:
- The Scottish Review (1914–1920, quarterly)
- The Pictish Review (1927–1928, monthly)