The main ideas and concepts, scientific problems and directions of sociological research of representatives of the phenomenological sociology of knowledge P. Berger and T. Lukman, theories of conflict L. Coser and R. Darenford, theories of social exchange J. Homans and P. Blau, psychoanalytic concept K. Horney, E. Erickson, E. Fromm, left-radical sociology of C. Mills, neo-Marxism of the Frankfurt School. Each section contains a detailed bibliography, questions for self-examination, key statements of the classics of sociology of the twentieth century. Included dictionary of terms. The appendix contains requirements for written works on the history of sociology.