Publications de la Cour Permanente de Justice Internationale. Publications of the Permanent Court of International Justice. Series B, Collection of advisory opinions.
Permanent Court of International Justice.
Leyden : A. W. Sijthoff Publishing Company,
1922-1930.
Title varies slightly.
Each vol. has also a distinctive title.
Merged with: Permanent Court of International Justice.  Publications de la Cour permanente de justice internationale.  Série A, Recueils des arrêts; to form: Permanent Court of International Justice.  Publications de la Cour permanente de justice internationale.  Série A/B, Arrêts, ordonnances, et avis consultatifs.
International law
Publications de la Cour permanente de justice internationale. Série A, Recueils des arrêts
Publications de la Cour permanente de justice internationale. Série A/B, Arrêts, ordonnances, et avis consultatifs