《史記集解》 (Records of the Grand Historian - Collected Explanations). "Vols. 6-7". Siku Quanshu version. p. 18 of 154. quote: 「謚法周公周公所作」
《史記集解》 (Records of the Grand Historian - Collected Explanations). "Vols. 1-3". Siku Quanshu version. p. 81 of 108. quote: 「謐(!)法賊人多殺曰桀」.Note: 謐 is possibly an error for 謚/諡