Worlds of the Imperium (excerpt)

The appearance in Damon Knight's A Century of Science Fiction is an excerpt.

Date	Publication	Publisher	Type	Page
June 1962	A Century of Science Fiction	Simon & Schuster	Anthology	73
July 1962	A Century of Science Fiction	Simon & Schuster / SFBC	Anthology	73
February 1963	A Century of Science Fiction	Dell	Anthology	78
November 1963	A Century of Science Fiction	Gollancz	Anthology	73
January 1964	A Century of Science Fiction	Gollancz	Anthology	73
1966	A Century of Science Fiction	Pan Books	Anthology	90
April 1971	A Century of Science Fiction	Gollancz	Anthology	73
1972	A Century of Science Fiction	BCA - Book Club Associates	Anthology	73

Notes