Methodology of Social Sciences

Methodology of Social Sciences

Letter from Felix Kaufmann written 27.04.1935

Letter from Felix Kaufmann written 21.05.1935

Letter from Felix Kaufmann written 22.10.1935

Letter from Felix Kaufmann written 09.10.1934

Letter from Felix Kaufmann written 05.12.1934

Letter from Felix Kaufmann written 09.10.1934 (a)