You can reach a  Canisius sign-in page for JSTOR at http://library.canisius.edu/databases

Some journals at JSTOR may be useful for students (info correct as of August 2012);

here are links to access them, if you are signed in to myCanisius:

The American Mathematical Monthly 1894-2012 (full access through vol. 115, 2008)

http://www.jstor.org/action/showPublication?journalCode=amermathmont

Mathematics Magazine 1947-2012 (full access through 2008 Vol. 81)

http://www.jstor.org/action/showPublication?journalCode=mathmaga

The Mathematical Gazette 1894-2006

http://www.jstor.org/action/showPublication?journalCode=mathgaze

Math Horizons 1993-2012 (full access through Vol. 16, 2008)

http://www.jstor.org/action/showPublication?journalCode=mathhorizons

The College Mathematics Journal 1984-2012 (full access through Vol. 39, 2008)

http://www.jstor.org/action/showPublication?journalCode=collmathj

it is a continuation of The Two-Year College Mathematics Journal 1970-1983

Mathematics in School 1971-2006

http://www.jstor.org/action/showPublication?journalCode=mathschool

Educational Studies in Mathematics 1968-2008 2009-2012

http://www.jstor.org/action/showPublication?journalCode=educstudmath

For the Learning of Mathematics 1980-2009

http://www.jstor.org/action/showPublication?journalCode=forlearningmath

The Mathematics Teacher 1908-2012 (full access through 2006, Vol. 100)

http://www.jstor.org/action/showPublication?journalCode=mathteacher

Mathematics Teaching in the Middle School 1994-2012 (full access through 2006 Vol. 12)

http://www.jstor.org/action/showPublication?journalCode=mathteacmiddscho

Teaching Children Mathematics 1994-2012 (full access through 2006 Vol. 13)

http://www.jstor.org/action/showPublication?journalCode=teacchilmath

it is a continuation of The Arithmetic Teacher 1954-1994