[4] Between 1964 and 2004, he organized 18 solo exhibitions in Rome, Belgrade, Brussels, Zagreb, Modena, Milan, Bologna, Brescia and Sremski Karlovci.

As a critic, Kalajić was involved in the creation of 10 exhibitions and a large number of TV shows about art, culture, tradition and politics (the most notable being the series "Mirror of the XX Century" and "Mont Blanc").

His exhibition "Image Restoration", held in the gallery of the Cultural Center in Belgrade, caused controversy in the Yugoslav art scene.

These include The Map of (Anti)Utopia, The End of the World, American Evil, Europe Betrayed, Russia Rises and The Last European.

He presented to the reading public for the first time the works of Plotinus, Julian, Denis de Rougemont, Lev Shestov, Gustav Meyrink, Bal Gangadhar Tilak, Otto Weininger and the collected texts of Leonid Šejka.

He published studies on the works of Meyrink, Miloš Crnjanski, Emil Cioran, Rene Guénon, Julian, Tilak, de Rougemont, Holbein, Carlyle, Julius Evola, Anaïs Nin, Lawrence Conrad, Ilija Garašanin and others.

[9] He was friends with many prominent figures in the fields of art, literature, film and philosophy, including Evola, Ezra Pound, Alexander Dugin, Giorgio de Chirico and Gualtiero Jacopetti.