Cucina, Andrea, y Vera Tiesler (2006). The Companions of of Janaab'Pakal and the “Red Queen” from Palenque, Chiapas: Meanings of Human Companion Sacrifice in Classic Maya Society Vera Tiesler

https://www.academia.edu/1175478/Cucina_Andrea_y_Vera_Tiesler_2006_The_Companions_of_of_JanaabPakal_and_the_Red_Queen_from_Palenque_Chiapas_Meanings_of_Human_Companion_Sacrifice_in_Classic_Maya_Society