no author (1982):
Perou 82,
Expedition en Foret Amazonienne d'altitude
Contents: Le contexte geographique, Le contexte historique, Le contexte speleologique.
SB. 150pp. In French.
Describes the French expedition to Cajamarca, High Amazone and a survey of previous expeditions.
Garcia Rosell (1965):
Cavernas, Grutas y Cuevas del Peru,
52pp Lima 1965, in Spanish.
Yves Sammartino ():
Speleologie Bibliographie Peru,