Discover Your Heritage: A Guide to Provincial Plaques in Ontario - Google Books

https://books.google.de/books?id=FGyBTXcj7f4C&pg=PA277&dq=%22William+Henry+Drummond%22+1854&hl=de&sa=X&ved=0ahUKEwiohd3i1PTUAhUJ

Since 1956 when Ontario’s historical plaquing program was begun, more than 1,000 markers have been erected throughout the province.The range of subjects commemorated is astonishing – from mining rushes in northern Ontario to the invention of the…