2076: The American Tricentennial - edited by Edward Bryant & Jo Ann Harper. An original anthology - stories were original to this 1977 edtion.

(Foreword by Edward Bryant)
(Introduction by Peter S. Altman)
"A Red, White, and Blue Fourth of July" by Karl Hansen
"Escape Is No Accident" by Carol Emshwiller
"Feminine Demystification" by Jo Ann Harper
"The Dust of Evening" by Robert Crais
"The Death of Sappho" by Marge Piercy
"Like Snow-Humped Fields Afraid of Rain" by William Jon Watkins
"An Eye for an Eye" by James Stevens
"Emissary from Hamelin" by Harlan Ellison
"Corruption of Metals" by Sonya Dorman
"Aztecs" by Vonda N. McIntyre [Hugo & Nebula nominee]
"X-2076" by Peter Dillingham
"The Biological Revolution" by Robert E. Vardeman & Jeff Slaten
"One Road to Damascus" by James Sallis & David Lunde
"Welcome to the Tricentennial" by Patrick Henry Prentice