The journal was established in 1836, and had its current name since 1909.

The journal was established in 1998 and all issues are available online.

The journal, published three times per year, was established in 1978.

The journal was established in 1839 and has been available online since 1999.

The journal was established in 1993 and has a 2010 impact factor of 0.406.

Since the journal was first established in 2011 no impact factor is available.

The journal was established in 1966 and has a 2011 impact factor of 1.946.

The journal was established in 1982 and has a 2009 impact factor of 1.138.

The journal was established in 1994 and has a 2009 impact factor of 1.588.

The journal was established in 2006 with six issues annually.