Yonga i-90% yesaphulelo ngeVawutsha
UPatrick O'Malley, PHD, ebebonelela ngeengcebiso kunye nemfundo yentlungu kubathengi kunye noogxa iminyaka engaphezu kwe-35. Ukufumana okungakumbi, tyelela i-drpatrickomalley.com. UTim Madigan, intatheli ephumelele ibhaso, umbhali wencwadi ethi The Burning: Massacre, Destruction, kunye neTulsa Race Riot ka-1921 (iSt. Martin's Press, 2003) kwaye Ndiyazingca Ngawe: Ubuhlobo bam noFred Rogers (Gotham). /Penguin, 2006).
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