'Bolshevism and Stalinism' was originally published in

Politics
Vol. 4  -  no. 2  -  Mar/Apr 1947

In 1978 it was included in

Paul Mattick
Anti-Bolshevik Communism
Merlin Press, London, 1978
ISBN: 0 850 36 222 7/9

A German translation  -  'Bolshewismus und Stalinismus'  -  was done by Jörg-Anselm Asseyer and appeared as introduction in:

Willy Huhn
"Trotzki - der gescheiterte Stalin"
Karin Kramer Verlag
Berlin 1973

The e-version of the English edition was delivered by Kavoshgar.
The e-version of the German edition was copied from the german site: Revolutionäre Theorie und Klassenkampf
The present layout is made by Kurasje.