Twenty-one letters from Dr. H. Teerink to Seumas O'Sullivan mainly concerning contributions to the Dublin Magazine on Swift. Also two accounts of amounts due to O'Sullivan from Teerink, Sept. 1946 - Aug. 1950.

Míreanna comhchosúla

• Dublin Magazine: Editorial. Seumas O'Sullivan.
• Account of payments by Seumas O'Sullivan to contributors, (to the Dublin Magazine), Feb.- Aug. 1925.
• Appointments diaries notebooks, accounts etc. of Seumas O'Sullivan, mainly relating to the Dublin Magazine. c.1925-1953.
• Seumas O'Sullivan - a tribute.
  de réir: Reynolds, Lorna
  Foilsithe / Cruthaithe: (1958)
• Thirteen letters and three post-cards to Seumas O'Sullivan from Gordon Bottomley re Dublin Magazine and exchange of publications between the two writers, May 1938 - Aug., 1946.