 It was in Paris that he met Pavle Beljanski and numerous other distinguished Serbian intellectuals from all walks of life.Perić struck a friendship with Beljanski that was to last until the death of the art collector.Between the two world wars Beljanski was working hard on expanding his collection, and in 1935 when Jefto Perić moved back to Belgrade, Beljanski authorized him to choose and buy pieces while he promoted the works of the artists through organizing exhibitions and writing reviews for art magazines.