Sources

Prehistoric cave gets buried for another 50 years AP Archive
Prehistoric paintings of Altamira cave Ultimate Mysterious
Preliminary Notice on Two Teeth of a Hominid from a Cave in Chihli (China)Bulletin of the Geological Society of China 5(3-4) Otto Karl Josef Zdansky
Preliminary report on the archaeological excavation conducted at Callao Caves. Manuscript of the National Museum, Manila
Probable source horizon of the Pithecanthropus II (Sangiran 2) calotte and its possible palaeoanthropological implicationsAnthropological Science 113(3) Fachroel Aziz, Hisao Kumai, Masayuki Hyodo, Megumi Kondo, Shuji Matsu’ura, T. Kanaeda, Yoshihiro Takeshita, Yuko Kamishima
Progress report on the archaeological activities conducted at Callao Cave (November 1980-August 1982). Manuscript of the National Museum, Manila Maharlika Cuevas
Pygmoid Australomelanesian Homo sapiens skeletal remains from Liang Bua, Flores. Population affinities and pathological abnormalitiesProceedings of the National Academy of Sciences 103(36) Adam Kuperavage, Alan Thorne, David Frayer, Etty Indriati, Kenneth Hsu, Maciej Henneberg, Raden Soejono, Robert Eckhardt, Teuku Jacob
Qafzeh
QuaternaryWikipedia
Quaternary Geology of the Hominid Fossil Bearing Formations in JavaSpecial Publication No. 4. Geological Research and Development Centre Darwin Kadar, Naotune Watanabe