Canadian Legal Information Institute (CanLII ) last week announced the addition of law reviews to its platform - http://www.slaw.ca/2018/03/23/%e2%98%80%ef%b8%8f-we-now-have-law-reviews-on-canlii-%e2%98%80%ef%b8%8f/. The journals featured in this launch can be found by selecting "Commentary" and under "Periodicals", select "Law Journal Issues".  https://www.canlii.org/en/commentary/journals/

This is an additional source for accessing Canadian law journals. The coverage is from 2015 onwards.