Columbia subject headings:
Electronic publications.
Literature and the Internet.
Literature--Computer network resources.
Literature--Study and teaching.
Harvard subject headings:
Electronic books--Study and teaching.
Electronic publications.
Hypertext systems--Study and teaching.
Literature and the Internet.
Literature--Computer network resources.
Literature--Study and teaching
Princeton subject headings:
Electronic publications.
Literature and the Internet.
Literature--Computer network resources.
Literature--Study and teaching.