Ewan Callaway (2017). Archaeologists say human evolution study used stolen bone. Nature. 13 November.
Ewen Callaway (2017). Skeleton plundered from Mexican cave was one of the Americas' oldest. Nature. 30 August.
Sarah Wild (2017). Theft of South African relics riles researchers. Nature. 22 August.
Traci Watson (2017). Show of shipwrecked treasures raises scientists' ire. Nature. 7 February.
Anastasia Christakou (2015). Four-legged snake fossil sparks legal investigation. Nature. 4 August.
Elizabeth Gibney (2014). Brazil clamps down on illegal fossil trade. Nature. 4 March.