Each supplement has distinctive title.
Chiefly in English, with some text in French.
Description based on: Vol. 156, no. 11 (June 1, 1997); title from table of contents page (publisher's website, viewed Nov. 6, 2012).
Latest issue consulted: Vol. 179, no. 12 (Dec. 2, 2008) (viewed Nov. 6, 2012).