Spanish version of Alfred Quintana, Josep Pont Vidal, Jordi Payà Guiu, Àngels Pedrazuela Antoni Martínez Roca i Riu Address of the Spanish edition: Antoni Martínez Sociology Riu's dictionary gives access to a science that is accused jargon difficult with a understandable language and linguistic style transparent fluid. Based on approximately 2,500 specialty items there is a joint view of sociology, sociological terms are explained so in other social sciences. Reports on theoretical foundations of science, the history of sociology, sociological fields special empirical social research methods, also on classical and scientific representatives who have contributed to the development of sociology. Karl-Heinz Hillmann made the expansion and correction of the first edition of the Dictionary of Sociology published in 1970 by Günther Hartfiel University of Würzburg. This first edition with its huge work was done almost exclusively by Hartfiel. In the same year Hillmann Hartfiel and formed the Institute of Sociology at the University of Würzburg. Hartfiel in 1976 started to compile a second edition of the work, but died tragically in 1977. Hillmann started, as a former student at the Free University of Berlin and Würzburg Hartfiel contributor at the request of the original Editorial German to make the following editions. The Spanish edition of Herder's work is based on the fourth edition of Hillmann in Germany. For anyone interested in sociology as well as professionally connected with sociology, sociologists and students.