@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://iconclass.org/45A51%28%2B4%29> skos:broader <http://iconclass.org/45A51> ;
    skos:narrower <http://iconclass.org/45A51%28%2B41%29>,
        <http://iconclass.org/45A51%28%2B42%29>,
        <http://iconclass.org/45A51%28%2B43%29>,
        <http://iconclass.org/45A51%28%2B44%29>,
        <http://iconclass.org/45A51%28%2B45%29> ;
    skos:prefLabel "psychological warfare (+ air force)"@en .