Tuna Fishing in Palau Watersby SCAP; W. G. van Campen; B. M. Shimada;Fishing Conditions South of the Marshall Islandsby W. B. van Campen;Tuna Bait Resources at Saipanby W. G. van Campen;Exploratory Tuna Fishing in Indonesian Watersby SCAP; W. G. van Campen; B. M. Shimada;Exploratory Tuna Fishing in the Caroline Islandsby W. G. van Campen;Exploratory Tuna Fishing in the Marshall Islandsby SCAP; W. G. van Campen; B. M. Shimada;Japanese Tuna Surveys in Tropical Watersby W. G. van Campen;The Japanese Skipjack Fisheryby W. G. van Campen;Kishinouye's Order Plecosteiby W. G. van Campen;Japanese Skipjack Studiesby W. G. van Campen;On the Japanese Black Tuna (Thunnus Orientalis)by W. G. van Campen