Mutsara wokutanga: Yakatungamirirwa naJack B. Sowards uye yakanyorwa naWinrich Kolbe. Mutsara 2: Yakatungamirirwa naWinrich Kolbe, yakanyorwa naJack B. Sowards. Mubvunzo: Mutsara wokutanga nomutsara wechipiri unoreva chinhu chimwe chete here? Hungu kana kuti Aiwa?
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