Northcliffe, A. H., & Casement, R. (1912). Letter from Alfred Harmsworth, 1st Viscount of Northcliffe, to Roger Casement, informing him that he will reply when "Mr Maxwell" returns from Berlin and expressing his disappointment in Casement for not advising him of the circumstances prior to declining to write the article.

Northcliffe, Alfred Harmsworth, and Roger Casement. Letter from Alfred Harmsworth, 1st Viscount of Northcliffe, to Roger Casement, Informing Him That He Will Reply When "Mr Maxwell" Returns from Berlin and Expressing His Disappointment in Casement for Not Advising Him of the Circumstances Prior to Declining to Write the Article. 1912.