Beneath the Dream: Tomorrow through the Past

From Author Wars - https://authorwars.com/books/beneath-the-dream-tomorrow-through-the-past-2858658.html

Overview:

Title: Beneath the Dream: Tomorrow through the Past
Author: Greg Bear
Year: 1979
Type: Essays

Editions/Publications:

Unknown. The Bulletin of the Science Fiction Writers of America, Fall 1979 (Unknown, Greg Bear, The Science Fiction Writers of America, 104 pages, octavo, MAGAZINE)