Who wrote the poem to hunting of snark and jabberwocky?

The poem "The Hunting of the Snark" and the poem containing the word "Jabberwocky" are both from the same work by Lewis Carroll.

* "The Hunting of the Snark" is the title of the entire long poem.

* "Jabberwocky" is a poem within "The Hunting of the Snark," famous for its nonsense words and whimsical language.