‘socio-political and human rights crisis’, independent expert condemns environmentaldefender’s death. UN News. 2021-02-01 [2021-05-25]. (原始内容存档于2022-04-13) (英语)
Clinton Selects Ex-Mayor for H.U.D. and an Ex-Marine for Veterans Affairs; Defender of the Rights of Veterans Masters Thickets of Regulations. 纽约时报. 1992-12-18
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