The article is devoted to the architectural and artistic analysis of the vernacular development of Rostov-on-Don in the second half of the 19th century, to identifying the ways of its formation, determining the regional conditionality and systematization of vernacular elements in residential buildings. The scientific novelty of the article is due to the fact that a detailed study of the vernacular buildings of Rostov-on-Don in the second half of the 19th century is being undertaken for the first time, the identification of vernacular features in an ordinary historical building allows us to consider it as an integral component of the regional identity of the architectural heritage that deserves to be preserved.

Keywords: architecture of Rostov-on-Don in the second half of the 19th century, vernacular buildings, Cossack hut, neo-Renaissance, neo-baroque, neo-rococo

The article is devoted to the comparative analysis of the architectural features of the medieval temples of Simon the Cananite in New Athos (Abkhazia) and the Northern Zelenchuksky in Karachay-Cherkessia (Russian Federation) in the context of three-courtyard temples, the study of prototypes of their architectural forms, the description of the results of the analysis of building solutions of temples based on the X-ray phase method. This method is used for the study of these temples for the first time. The scientific novelty of the article is due to the fact that a comprehensive study of the planning, spatial solution and building material of the temples of Simon Kananit and Northern Zelenchuksky, based on the results of physico-chemical analysis, allows us to confirm their dating to the X century and establish the chronological proximity of the two monuments.

Keywords: medieval architecture of Abkhazia and Alanya, three court temples, X-ray phase analysis