Every day for several months from ten in the morning until six in the evening, not even stopping for lunch, he alternately worked in the reading room of the Rumyantsev Library and in the archives of the Ministry of Foreign Affairs. And when he returned home, until late at night he systematized his notes, pondered over them.

Vardan sent the final version of the dissertation with an opportunity to Turkey in order to agree with Andrei Nikolaevich on the date of its public defense. He wrote to Mandelstam that he included two additional paragraphs in the work. The first of them, «The Role of England in the Solution of Caucasian Problems», used new archival materials and materials contained in McColl’s book «The Sultan and the Powers». McCall convincingly and concretely showed how, in the first decades of the 19th century, the Turkish policy of England depended on the political situation in Europe. But with all the changes in this policy, it has always been unfailingly committed to one concept. Its meaning is as follows: it is necessary to preserve the integrity of the Ottoman Empire, while in every possible way to involve it in the European system as a necessary condition for the balance of power in Europe. This concept demonstrated a “moderately pro-Turkish, openly hostile and strongly anti-Russian policy” and, among other things, left Armenia under Turkish rule. Meanwhile, the most correct solution to the Armenian question would be an agreement between the European powers on the division of the Ottoman Empire.