Map of Congo in 1961 (Congo crisis), in English.
<a href="//commons.wikimedia.org/wiki/User:Don-kun" title="User:Don-kun">Don-kun</a>, <a href="//commons.wikimedia.org/wiki/User:Uwe_Dedering" title="User:Uwe Dedering">Uwe Dedering</a>
CC BY 3.0
<p>Own work based on: <a href="//commons.wikimedia.org/wiki/File:Democratic_Republic_of_the_Congo_location_map.svg" title="File:Democratic Republic of the Congo location map.svg">Democratic Republic of the Congo location map.svg</a> +
</p>
<ul><li>dtv-Atlas Weltgeschichte. 2005. S. 546 f.</li>
<li>Young, Politics in the Congo. 1965.</li>
<li>Kalondji, Congo 1960. La sécession du Sud-Kasaï, la vérité du Mulopwe. 2005.</li></ul>