Carrying out painstaking investigations, he discovered that the rest of the material was held by McDonald's daughter, Barbara McDonald Stewart, also a historian. She agreed to donate the 10,000 typed pages of diary entries to the museum and agreed to co-edit them for publication. The first volume, covering the years 1932–1935, Advocate for the Doomed appeared in 2007.
Conducting thorough research, he discovered that the remaining documents were held by McDonald's daughter, Barbara McDonald Stewart, also a historian. She agreed to donate her 10,000 typed pages of diary entries and collaborate on publication. The first volume, covering 1932–1935, Advocate for the Doomed was released in 2007.