This translation originally published: New York : Macmillan, 1978. - Originally published: as 'Dusha mira' with 'Uravnenie Blednogo Neptuna'. Moscow : Molodaia gvardiia, 1964.
World soul by Mikhail Emtsev. ISBN 0020198507. Published by Collier Books in 1979. Publication and catalogue information, links to buy online and reader comments.