Document Permian Bivalve Faunas - Stratigraphical and Geographical Distribution - Multiple copies, 1993 Box 11 Unit ID: 90 Date: 1993
Document Permian geology of Gondwana countries Late palaeozoic and early mesozoic circum-pacific events Box 22 Unit ID: 185
Document Permian-Triassic boundance - corresondence with Yin Hongfu and some papers, 1995 Box 2 Date: 1995