Der Freiheitsucher : Psychologie einer Entwicklung - Mackay, John Henry, 1864-1933 (Berlin-Charlottenburg : J. H. Mackay, Berliner Strasse 166, 1920)
"Als Manuskript gedruckt"--t.p. verso.
Printed in the summer of 1920 in an edition of 1,000 numbered and signed copies.
Keywords: Liberty; State, The; Political psychology