Publications
This is the index of Transport Canada's online publications. This lists about 85+ documents, mostly standards, but some could be very helpful in understanding the regulations.
Here are some of particular interests to safety:
TP 13822 - Survival in Cold Waters (2001) (new edition coming soon)
TP 10038 - Small Fishing Vessel Safety Manual (1993)
TP 2293 - The Examination and Certification of Seafarers (2002) Note Chapters 17 – 21
TP 4957 - Marine Emergency Duties Training Programme (1998)
TP 5021 - Personal Safety on Ships (1984) (larger Vessels)
TP 9878 - Safety and Distress Radiotelephone Procedures (1989)