1.
Further observations on spent herring with remarks on fluctuations and oscillation
2.
3.
Nine years of continuous survey of an annual shoal of spent hering on the French-Belgian coast, 1930-39
Annual concentration of spent herring along the French and Belgian coasts in 1933-1934
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5.
Recherches sur la biologie du hareng "guai" et sur sa pêcherie entre Ostende et le Cap Gris-Nez en 1930-1931