 His book "Servia and the Servians" together with his entries on Serbia in the Tenth and Eleventh editions of the "Encyclopædia Britannica" served a very important purpose of offering a favourable view of Serbia to the Anglo-American public at the beginning of the twentieth century in a very turbulent and decisive period for Serbia.He was arguably among the first Serbs to contribute to the "Encyclopædia Britannica" and some of his entries were reproduced up until 1973.The other was Prince Bojidar Karageorgevitch.