Plunkett, J. M., Crotty, T., Meyer, R., & Casement, R. (1914). Letters to or concerning Joseph Mary Plunkett en route to Berlin via Switzerland including a letter from Roger Casement, 1914-1915, with other documents including a description of his journey, a draft of a declaration for the Irish Brigade in Germany, and a draft paper on "Germany's future World Policy".

Plunkett, Joseph Mary, et al. Letters to or Concerning Joseph Mary Plunkett En Route to Berlin via Switzerland Including a Letter from Roger Casement, 1914-1915, with Other Documents Including a Description of His Journey, a Draft of a Declaration for the Irish Brigade in Germany, and a Draft Paper on "Germany's Future World Policy". 1914.