- de.zxc.wiki wiki/Nicolaas_DiederichsDiederichs was appointed Minister of Economics in 1958 and finally gained significant influence as Finance Minister (1967–1975).
- wikizero.org wiki/tr/Nicolaas_DiederichsDiederichs, Afrika ülkesi Güney Afrika Cumhuriyeti'nde 1975 ile 1978 yılları arasında devlet başkanlığı makamında bulunmuştur.
- memim.com nicolaas-johannes-diederichs.htmlNicolaas Johannes Diederichs, South Africa's fourth state president, is born. on www.sahistory.org.za (English).
- lastdodo.com en/items/5052219-nicolaas-diederichsNicolaas Diederichs from 1975 buying, selling or collecting? Manage your South Africa collection in the catalogue on LastDodo.
- wn.com Nicolaas_Johannes_DiederichsNicolaas Johannes Diederichs on WN Network delivers the latest Videos and Editable pages for News & Events, including Entertainment, Music, Sports...
- detr.vsyachyna.com wiki/Nicolaas_DiederichsDiederichs, 1958'de Ekonomi Bakanı olarak atandı ve sonunda Maliye Bakanı olarak (1967–1975) önemli bir etki kazandı.
- db0nus869y26v.cloudfront.net tr/Nicolaas_…Diederichs, Afrika ülkesi Güney Afrika Cumhuriyeti'nde 1975 ile 1978 yılları arasında devlet başkanlığı makamında bulunmuştur.
- dir.md commons.wikimedia.org/wiki/Category:…Media in category "Nicolaas Diederichs". This category contains only the following file.
- liquisearch.com nicolaas_johannes_diederichsNicolaas Diederichs (17 November 1903, Ladybrand – 21 August 1978) served as the third State President of South Africa from 1975 to 1978.
- wikivisually.com wiki/Nico_DiederichsNicolaas Diederichs: Vom Leiden und Dulden . ... N. Diederichs: Nasionalisme as lewensbeskouing en sy verhouding tot internasionalisme .