Mathematics and social sciences: Highs and lows, 1960-1980. Summary of the day of study organized by the French Society for the history of the human sciences on 16 January 1988. This day of study included an initial presentation by Jacqueline Feldman, and presentations by Bernard Monjardet on mathematics in the social science curriculum, by Marie-Ange Schiltz on mathematics in sociology, by Marion Selz-Laurière on mathematics in ethnology, by Benjamin Matalon on mathematics in psychology, by Denise Pumain on mathematics in geography, by Sylvie Rimbert on mathematics in cartography, and by Jean Philippe Genet on mathematics in history.