The cave archaeology of Cagraray Island, Albay province, Philippines: a preliminary report of explorations and excavations.- Manila.

von Fox, Robert B.
Veröffentlicht in University of Manila: journal of east asiatic studies; 6.1957, no. 1, S. 57-68: 2 Taf.
1957.

The Bato caves, Sorsogon province, Philippines: a preliminary report of a jar burial-stone tool assemblage.- Manila.

von Fox, Robert B.
Veröffentlicht in University of Manila: journal of east asiatic studies; 6.1957, no. 1, S. 49-55: 1 Kt.
1957.