he was the first chairman of the union of independent writers, an organisation independent of the communist party, and the history book "bulgaria in transition: politics, economics, society, and culture" (1998) refers to him in this context as an anticommunist: "the respected anticommunist writer liuben dilov, well known for his science fiction". the book "the 'thaw' in bulgarian literature" (1981) add the contextual information that his work was censored by the communist state in the 1970s, talking of: "lyuben dilov's censored science fiction novels."