Computer science Data security Day care services Deaf persons Debating Decorative arts Democratic government Denominations and sects not provided for elsewhere Denominations and sects of Christian church Dentistry Depressive disorder Design and decoration of structures and accessories Detection of crime (Criminal investigation) Diabetes mellitus Diet therapy Dietetics Disarmament and arms control Disasters Discussion groups Diseases Diseases of bladder and urethra Diseases of cardiovascular system Diseases of digestive system Diseases of hematopoietic, lymphatic, glandular systems. Diseases of endocrine system Diseases of immune system Diseases of integument Diseases of muscoskeletal system Diseases of nervous system and mental disorders Diseases of respiratory system Disposal of the dead Distance education Distribution of income and wealth Diving Documentary media, educational media, news media; journalism; publishing Dogs Domestic medicine Down syndrome Drama, Canadian (English) Drama, Canadian (French) Dramatic vocal forms.
Sculpture Assistance auprès des élèves et des étudiants Associations à but religieux Assurance Assurance--Administration Assurance contre les accidents du travail Assurance contre les accidents et assurance-maladie Assurance prise en charge par l'État Astronautique Astronomie et sciences connexes Athlétisme Atlas Attitude envers les animaux Autisme Autobus scolaires Autochtones--Canada Autochtones--Canada (Autres langues de l'Amérique du Nord) Autochtones--Canada (Langues inuktitut, yupik, aléoutes) Autochtones--Canada (Langues iroquoises) Autochtones--Canada (Langues macro-algonquines) Autochtones--Canada (Langues na-déné) Autochtones--Canada (Langues penutia, mixe-zoque, maya, uto-aztèque, kiowa-tano) Autochtones--Canada (Langues sioux) Autochtones, Programmes pour Autoroutes électroniques Autre religions Autres aspects de la sécurité publique Autres branches de la médecine.