This series includes both the original diary pages from Michael Healy's 1916 diary, dated 20th April 1916 - 17th May 1916, and typewritten transcripts for each diary entry prepared by Dr. David Caron in the course of his Doctoral research. The diary entries describe work being undertaken by Healy, including the design of a window at Clongowes, as well as Healy's impressions of Dublin city centre during Easter week, 1916.