There are at least 3 authors named Jane Roberts here:
(1) the psychic Jane Roberts, b. 1929,
(2) Jane Roberts, b. 1949-09-04 (Priscilla Jane Stephanie Roberts), Royal Librarian and a curator of the Royal Collection, and
(3) Roberts, Jane Annette, 1936- the English professor.
(4) Roberts, Jane Keeney, 1941- , 34 Million Friends...
(5) Roberts, Jane (Susan Jane), 1954- , Environmental Policy
(6) Roberts, Jane, 1950- , Jacques-Émile Blanche
(7) Roberts, Jane T. - Crisp Apfelstrudels and Schnitzel with Noodles
(8) Jane M.E. (Muriel Ellis) Roberts, Research for Better Schools, Inc., Philadelphia, 25 Prewriting Graphic Organizers...
Also, please note that the comic book artist and writer, Seth, whose real name is Gregory Gallant, is NOT the same "Seth" who was said to be the entity channeling through Jane Roberts in the Seth book series.