In Loving Memory Of
William Summers Duthie: Royal British Columbia Museum Archives Death Registration No. 1956-09-003057.
William Summers Duthie and Nellie Gertrude Duthie (Irwin): Royal British Columbia Museum Archives Marriage Registration No. 1921-09-232351.
Nellie Gertrude Duthie (Irwin): Royal British Columbia Museum Archives Death Registration No. 1964-09-014009.