The book contains works by L.N. Gumilyov devoted to the history of Ancient Tibet, the emergence and development of Buddhism in Tibet and Mongolia, as well as a description of Buddhist iconography. The volume includes works from different years, including “Old Buryat Painting,” a book that remains to this day virtually the only illustrated source on general issues of Buddhist iconography. The appendix contains excerpts from the most significant works of Russian orientalists, they provide an opportunity to get an idea of the development of domestic Buddhology and its famous representatives. The “Dialogue of Sources” also publishes fragments of the works of two famous European Buddhist scholars, translated into Russian for the first time specifically for this publication.