Truth and freedom,

Published 1954

From atomos to atom; the history of the concept atom

by Melsen, A. G. M. van (Andreas Gerardus Maria van), 1912-1994, Melsen, A. G. M. van (Andreas Gerardus Maria van), 1912-1994
Published 1952

Social philosophy,

by Plattel, Martin G., 1921-, Plattel, Martin G., 1921-, Plattel, Martin G., 1921-
Published 1965

From atomos to atom; the history of the concept atom

by Melsen, Andreas Gerardus Maria van, 1912-
Published 1952

The soul in metaphysical and empirical psychology /

by Strasser, Stephan, 1905-1991
Published 1962