>I am teaching a graduate seminar on Mark Twain next semester and am
>putting together a bibliography of secondary materials for graduate
>students just beginning their study of Mark Twain. I would like to
>know
>which essays/articles on <<Innocents Abroad,>> and << Roughing It>>
>subscribers to this list would recommend including.

    The Oxford Mark Twain editions, and copies of the "Mark Twain A
to Z" articles would provide some context for the students, as well
as point them to some interesting resources.