TY - BOOK A1 - Bion, W. R. T1 - Experiences in Groups, and Other Papers. London (Tavistock) 1961. Y1 - 1961 N1 - Ex libris Marco Bacciagaluppi ER - TY - BOOK A1 - Beckett, S. T1 - Poems in english, New York (Grove Press) 1961. Y1 - 1961 ER - TY - BOOK A1 - Beckett, S. T1 - Happy days, New York (Grove Press) 1961. Y1 - 1961 ER - TY - BOOK A1 - Avila, Theresia von T1 - Interior Castle, Garden City/New York (Doubleday Image Books) 1961. Y1 - 1961 ER - TY - BOOK A1 - Ardrey, R. T1 - African Genesis, New York, London (Atheneum) 1961. Y1 - 1961 ER - TY - BOOK ED - Mendel, A. P. T1 - Essential works of Marxism, New York (Bantam Books) 1961. Y1 - 1961 ER -