Universe 2 - edited by Terry Carr. An original anthology - all stories new to this 1972 edition. The Silverberg and Rotsler stories both garnered Hugo and Nebula nominations; Ellison's story got a Nebula nomination.

"Retroactive" by Bob Shaw
"When We Went to See the End of the World" by Robert Silverberg
"Funeral Service" by Gerald F. Conway
"A Special Condition in Summit City" by R. A. Lafferty
"Patron of the Arts" by William F. Rotsler
"Useful Phrases for the Tourist" by Joanna Russ
"On the Downhill Side" by Harlan Ellison
"The Other Perceiver" by Pamela Sargent
"My Head's in a Different Place, Now" by Grania Davis
"Stalking the Sun" by Gordon Eklund
"The Man Who Waved Hello" by Gardner R. Dozois
"The Headless Man" by Gene Wolfe
"'Tiger Boy" by Edgar Pangborn