Kindred Spirits by Jeffrey M. Elliot

Not an original anthology (all the stories were originally published elsewhere), but still one of the first (maybe the first) g/l sf anthologies.

Contents:
Vamp, by Mike Conner
When It Changed, by Joanna Russ
The Night Wind, by Edgar Pangborn
The Woman Who Loved the Moon, by Elizabeth A. Lynn
Going Down, by Barry Malzberg
Black Rose and White Rose, by Rachel Pollack
Flowering Narcisscus, by Thomas N. Scortia
Nuclear Fission, by Paul Novitski
Passengers, by Robert Silverberg
The Prodigal Daughter, by Jessica Amanda Salmonson
Broken Tool, by Theodore L. Thomas
How We Saved the Human Race, by David Gerrold