1. Conflicting patterns of thought. Title: Conflicting patterns of thought. Date: [1949] Author: Přibram, Karl, 1877-1973. Collecting Area: Rare Books Call number: H 61 P66X 1949 LOCAL
2. Economics and sociology; a plea for co-operation in the social sciences, Title: Economics and sociology; a plea for co-operation in the social sciences, Date: [1935] Author: Lowe, Adolph, 1893-1995. Collecting Area: Rare Books
3. Investigación participativa : marco teorico, metodos y technicas Title: Investigación participativa : marco teorico, metodos y technicas Date: [1984] Collecting Area: Rare Books