“MGIMO – University” published the book “K.N. Leontiev. Notes and Reports” (preface by academician A.V. Torkunov, prof. K. Dolgov). Russian diplomatic documents of the second half of the 19th century from this book today also represent a significant historical and practical interest, as well as allow us to describe some of the methodological approaches to collection, analysis and presentation of information in the field of foreign and oriental perspective.