by Davidson Black ... [et al.] ; edited by Davidson Black ; with a foreword by Wong Wen HaoGeological Survey of China : Section of Geology of the National Academy of Peiping1933
by E.C. Jul. Mohr ; tr. from the Dutch "De grond van Java en Sumatra" 2nd ed., 1930, by Robert L. PendletonThe National Geological Survey of China (under the Ministry of Industries) and the Section of Geology of the National Academy of Peiping[1933]