• De oorlog in Zuid-Afrika en de zending 

      Kate, B. ten (Rotterdam : Wenk & Birkhoff, 1901)
      Dutch speech about the influence of missionary work on the war as well as the influence of the war on missionary work.
    • De oorlog in Zuid-Afrika en de zending 

      Van Wijk, P. ([Amsterdam : s.n.], 1900-01)
      Dutch pamphlet about the views on the South African War as expressed in missionary journals.
    • Sind die Buren Feinde der Mission 

      Spoelstra, C. (Berlin : Martin Warneck, 1902)
      German pamphlet by the Rev. Spoelstra on whether the Boers are enemies of the missionary societies.