the proposal. In September 2003 the Minister of Canadian Heritage, Sheila Copps, approved the Board's recommendation, and Charlton has been added to the list of approximately 600 other "persons of national historic significance". In 2006 a Government of Canada plaque honouring her accomplishments was unveiled at the McGill University Life Sciences (formerly Medical) Library and this was erected outside the McIntyre Medical Sciences Building in November 2012 where it is in close proximity to similar plaques to her contemporaries William Osler and Maude Abbott. Additional images at References Continuity and Change: 175 years of the McGill Health Sciences Library. This history, published in 1998, briefly describes the first 175 years of the McGill University Medical (later Health Sciences) Library. The library, the oldest health sciences library in Canada, was founded in 1823. Historic Sites and Monuments Board of Canada. Submission Report concerning Margaret Ridley Charlton. This report, written by a Parks Canada historian, provides a brief biography of Miss Charlton, explains her significance to Canada and gives references to some of her publications and to other biographical notes on her career. Margaret Charlton and the early days of the Medical Library Association. Presidential address by W.W. Francis, published in Bulletin of the Medical Library Association 1936;25(1):58-63. Margaret Charlton on Internatlibs.mcgill.ca (includes photograph and picture of her Historic Person plaque).Margaret Charlton Parks Canada. Press Release on Margaret Ridley Charlton's designation as a person of national historic significance - September 2003. Parcs Canada. Communiqué de presse au sujet de la désignation d’importance historique nationale de Margaret Ridley Charlton - septembre 2003. External links Margaret Ridley Charlton biography at Ex Libris Association 1858 births 1931 deaths Canadian librarians Canadian women librarians Anglophone Quebec people Ridl Persons of National Historic Significance (Canada) Burials at Mount Royal Cemetery