A contributor using the initials ‘Q. E. D.’ (no confirmed dates) published two Gaelic pieces in Guth na Bliadhna and an extensive Gaelic essay in An Ròsarnach. Given the tone of the articles and the interests, it could be Ruaraidh Erskine himself.
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- ‘Q. E. D.’: ‘Sàr-dhuine’ [prose, GD], Volume XVIII, Issue 2 (Summer 1921)
- ‘Q. E. D.’: ‘An Neach a Thill’ [prose, GD], Volume XVIII, Issue 1 (Spring 1921)
- ‘Q. E. D.’: ‘An Dèidh Langside is Roimhe’ [essay, GD], Volume III (1921)