Understanding the Worker: Problems of Labor Organizations Analyzed in the Light of Social Psychology. Backgrounds in Trade Union History
New York: Rand School Press, 1954. First Edition. Octavo. Staple-bound pamphlet; printed card wrappers; 60pp. Wrappers sunned at edges, else a Very Good or better, unmarked copy. A late Claessens work, published in the year of his death; he was long-time National Chairman of the Social Democratic Federation.
Price: $20.00