Abstract: The article is devoted to the study of the role and value of Institute of international law (international non-governmental organizations) in the development of international legal regulation in the nineteenth century. The author identifies and describes some of the prerequisites for the formation of these institutions, as well as characterizes the mission of the organization, lists the range of issues discussed at the meetings of its sessions. Special attention, as demonstration of theoretical and practical importance, is given to the issues of extradition of criminals, which were developed by the Institute of international law, are part of the decision on the issue. The role and importance of the Institute of international law in the development of international legal regulation is being formulated. The study analyzes the work of the Institute of international law, which is based primarily on the data that testifies to the results of activity of the examined structure of private law published in the pre-revolutionary publications. The scientific novelty of this research consists in the historical analysis of the international non-governmental organizations, particularly the Institute of International Law that remains insignificantly studies in modern research. The main conclusion of the study consists in the following: in the second half of the XIX century there has been established an extensive system of international non-governmental organizations that contributed to the development of international law. The Institute of International Law was of special importance for the development of international law due to the fact that it united the leading experts in this area. During the course of its work, the aforementioned institutions executed various issues, most relevant from the perspective of international legal regulation, which carries theoretical and practical character, as well as undoubtedly affected the content of the international law within the examined period.
 
Of particular importance to the development of international law was international law Institute, bringing together leading experts in this field. In the course of its work, the studied structure was engaged in a variety of issues, most relevant from the point of view of international legal regulation that had not only theoretical but also practical in nature, and have undoubtedly affected the content of international law in the period under review.

Abstract: This article is dedicated to the examination of the role and place of the international non-governmental organizations in the development of international law in the late XIX century, when the active formation of the institutions that ensure international relations has begun. The author determines the key prerequisites for this process and reviews the work of a number of the private legal structures, namely of the Institute of International Law that played a crucial role in the development of the international law of the said period, as well as of Red Cross, Union of Criminal Law, and Penitentiary Congress. It is these non-governmental institutions that allowed establishing the dialogue between the society and the government, and contributed into the advancement of the international law. Basing on the mainly pre-revolutionary materials, the author conducts the historical analysis of the role and importance of the international non-governmental organizations in formation of the norms of international law. The following conclusions were made: by the middle of the XIX century have been formed the conditions for the establishment of the new system of multiple institutions that ensure international relations of the non-governmental nature; some of the international non-governmental organizations made a significant contribution into the advancement of the international law as a whole.

Abstract: The article is devoted to the study of issues related to national security in the context of their legal registration at the level of international law in the nineteenth century. The article investigates the category of national security, sovereignty, state territory, state border, customs and migration regime, the system of international security secure them in international law, it is determined the level of their formation within the specified period of time. The author has studied the international legal acts and relevant regulations of the Russian national legislation of the nineteenth century to regulate the relevant issues.In the study historical and legal analysis of the legal processing of issues directly related to national security, based on primary sources (international legal instruments and acts of domestic legislation adopted within the specified time period) and scientific papers on relevant issues are conducted.The novelty of the study lies in the historical-legal analysis of international legal regulation of issues related to national security in its relationship with national law.The main conclusions of the research are the following: national security began to take shape long before the advent of respective category, registration related issues occurred both at the level of national and international law; in the nineteenth century category sovereignty began to take shape legally , issues related to the state territory and state borders were regulated , customs and immigration regimes were expanded , forming system of international security started.

Abstract: The article explores the process of formation of the Ministry of foreign Affairs as one of the most important bodies of state power in the XIX - early XX century. Considered normative acts of the Russian state, determined the structure and powers of the Ministry of foreign Affairs on the stage of active international cooperation of the Russian state. The main stages in the formation of patterns and issues, analyses the relevant transformations that took place in the course of the reform. Attention is paid to individual personnel policy within the Ministry. The study of historical and legal analysis of the claimed processes based on primary sources (acts of domestic legislation adopted in the specified period of time). Conducted historical and legal analysis of the formation of the Ministry of foreign Affairs in the XIX - early XX centuries, the tendencies associated with the process of forming the structure of the public authority, carrying out the foreign policy activities in the specified period, based on the analysis of normative legal acts of the structural elements of the foreign Ministry, their legal status, functions.