General Sociology in 1949

Elemente Der Achten Hauptgruppe: Edelgase: Helium - Neon - Argon - Krypton - Xenon - Radon Und Isotope by Kahle, Heinrich, Karlik, Berta

Allgemeines Statistisches Archiv. Band 33 by

Metropolis by Halász, Gábor

Social Work in a Revolutionary Age and Other Papers by Pray, Kenneth L. M.

The Dynamics of Supervision Under Functional Controls: A Professional Process in Social Casework by Robinson, Virginia P.

Roberto Michels' First Lectures in Political Sociology by Michels, Roberto

Environment, Race and Migration: Fundamentals of Human Distribution by Taylor, Griffith