New Dimensions 2 - edited by Robert Silverberg. . An original anthology - all stories new to the 1972 hardcover edition. The Lafferty won the Hugo - best short story.

(Introduction by Robert Silverberg)
"Nobody's Home" by Joanna Russ
"Filomena & Greg & Rikki-Tikki & Barlow & The Alien" by James Tiptree, Jr.
"Out from Ganymede" by Barry N. Malzberg
"No. 2 Plain Tank" by Edward Bryant
"Eurema's Dam" by R. A. Lafferty (Hugo award - tie)
"King Harvest" by Gardner R. Dozois
"Take a Match" by Isaac Asimov
"f(x) = (11/15/67)" by Geo. Alec Effinger
"White Summer in Memphis" by Gordon Eklund
"Lazarus II" by Miriam Allen DeFord
"The Men Inside" by Barry N. Malzberg.