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• David Bartecchi je posodobil vir Report on Reservation and Resource Development and Protection, Final Report to the American Indian Policy Review Commission.pdf nabora podatkov Final Report of the American Indian Policy Review Commission (May 1977) 5 let nazaj

• David Bartecchi je dodal vir Report on Reservation and Resource Development and Protection, Final Report to the American Indian Policy Review Commission.pdf naboru podatkov Final Report of the American Indian Policy Review Commission (May 1977) 5 let nazaj

• David Bartecchi je ustvaril nabor podatkov Final Report of the American Indian Policy Review Commission (May 1977) 5 let nazaj