Thomas Coltrin Keefer

• Canadian Biography - Keefer, Thomas Coltrin  - Profiles the accomplishments of the engineer who was at the same time a businessman contracting various construction projects.
• Keefer, Thomas C. M.Inst. C.E.,C.M.G.  - Genealogy record of the civil engineer who made achievements in the profession. Mentions the projects he was involved in the design and planning.