He was an advocate of the League of Nations and devoted many sketches and articles to the cause of unity in Europe .
Following the end of the First World War , Louis Raemaekers settled in Brussels .
Louis Raemaekers was an Louis Raemaekers of the League of Nations and devoted many sketches and articles to the cause of unity in Europe .
Following the end of the First World War , Louis Raemaekers settled in Brussels .