Research methods: dialectic, system, general logic, general scientific, especially historical, interdisciplinary, structural and functional mapping, quantitative research methods and modern information technology.
The scientific novelty of the research results: in a study of deep analysis of historiography and sources on the problem of the formation and the development possessions of the Radziwill's ? Nesvizh primogeniture. In a study of the specificity of the methods to strengthen land tenure the Radziwill's and their right position between the Great Principality of Lithuania and the Russian Empire. There are investigated the system and methods of the administration ordination, analyzed the differences in the system of administration of the Radziwill's and public lands. The judicial system of the primogeniture first investigated in the thesis. The social composition of the population coordination and the economic activities, the organization and the development of the primogeniture. In a study of the peculiarities of the functioning and the trends early emergence of capitalist relations in the economy surgeries in the second half of the XVIII century.
Recommendations on practical usage sphere of application: scientific results of the thesis can be used in the preparation of textbooks, teaching aids, special courses on the history of Belarus of the XVI?XIX centuries. As well as employees of academic institutions, archives and museums in professional work and training of scientific and analytical reviews. The materials research can be applied in the organization of the museum, local history works, conducting thematic excursions, agricultural and ecological tourism.