They are not considered canonical by most Protestants, who generally consider them worth reading but not a source from which new doctrine should be derived.
More information on the books of the Bible in various translations (including the Deuterocanonical literature) @is available from the Scholarly Technology Group at Brown University. Comments by L. C. L. Brenton (1807-1862) (apparently an Anglican) on The Books of the Apocrypha are available.
A @study on the development of the canon from @The Seraphim Files is available.
Some early lists of canonical books include the following: