https://pm20.zbw.eu/folder/wa/1420xx/142022/1414xx/141454/about.en.html
Acetone : Union of South Africa | ZBW Press Archives
Dossier about Acetone in Union of South Africa. From German and international press, 1908-1949.
union of south africaacetonezbwpressarchives
https://geodata.lib.berkeley.edu/catalog/stanford-rj035kk5684
Port Elizabeth Harbor, Union of South Africa 1941 - UC Berkeley GeoData
union of south africaport elizabethuc berkeleyharbor