De haringcampagne gedurende de periode juli 1955 - februari 1956 = La campagne harenguière au cours de la période juillet 1955 - février 1956

This series describes the herring fisheries (fishing grounds, fleet, crew, landings and totals, catches), and also a biological study on a few characteristics of herring (length, weight, sex, gonads, fat ratios, age, gut content, scales).