life achievement winner
Hugo Awards
for SF/F works, voted by members of annual World Science Fiction Convention
(2 nominations)
Science-Fiction: The Gernsback Years (Kent State University Press)
related book nomination
Science-Fiction: The Early Years (Kent State University Press)
nonfiction book nomination
(3 nominations; 2 wins)
for The Guide to Supernatural Fiction
special award, professional nomination
special award, professional winner
Locus Awards
for SF/F/H works, polled by readers of Locus Magazine
(5 nominations; 1 win)
Science-Fiction: The Gernsback Years (Kent State University Press)
nonfiction 2nd place
Science-Fiction: The Early Years (Kent State University Press)
nonfiction winner
Supernatural Fiction Writers: Fantasy and Horror (Scribners)
nonfiction/reference 7th place
The Guide to Supernatural Fiction (Kent State University Press)
nonfiction/reference 10th place
Science Fiction Writers: Critical Studies of the Major Authors from the Early 19th Century to the Present Day (Scribners)
nonfiction/reference 6th place