Victorino Costa Obituary — Rear-Admiral Hydrographic Engineer Julio Zeferino Schultz Xavier (1850-1939) PDF (English)
E. C. Shankland A contribution on the hydrographic research and development of the Yantlet dredged channel in the Thames estuary PDF (English)
K. Schwidefsky Photogrammetry for small scale cartography (Methods and results) (Extract) PDF (English)
R. P. Pierre Lejay Discussion on the results of a gravimetric survey of the Philippine Islands (Extract) PDF (English)