Excavations at Shillacoto, Huánuco, Peru - Izumi, Seiichi, 1915-1970 (University Museum, University of Tokyo, 1972)
"The actual writing of this report was done by myself [Chiaki Kano] but ... it must be clarified that this work is a joint undertaking of the Tokyo University Research Team and Huánuco University. Therefore, I consider it necessary and proper to include the names of Prof. Seichi Izumi and President Pedro J. Cuculiza as authors to represent both groups."