1930 - 1939

Collectivist Economic Planning — This is a collection of essays on the topic of economic calculation edited by Friedrich Hayek, who also authors an introduction and conclusion. It also contains Mises 1920 work which up until that point had not been widely available to english speaking audiences. Published in 1935.

Economic Calculation In The Socialist Society — Written by Trygve Hoff. A book, first published in Norwegian in 1938, the English translation didn't appear until 1949, and was not widely available. It is a survey of the debate on socialist calculation, and a defense of the pure Mises-Hayek position. Pages 18 & 19 are missing in this pdf.

The Equations of Mathematical Economics & the Problem of Economic Calculation — By Ludwig von Mises. This article was translated & publised in French in 1938. However it remained unpublished in English until 2000. In it Mises adresses the suggestions that a socialist community can overcome the calculation problem through the mathamatical equations describing equilibrium.