relief of chitral / by Captain G.J. Younghusband and Colonol Sir Francis Younghusband International law : a treatise / L. Oppenheim : Vol. 1: Peace International law : a treatise / L. Oppenheim : Vol. 2: War and neutrality Japanese tactical methods : characteristics of Japanese operations / Francis G. Brink International law : a treatise / L. Oppenheim Per aspera ad astra : celèbre marche / par Ernst Urbach ; arr. par Francis Salabert International law : a treatise / L. Oppenheim : Vol. 1: Peace International law : a treatise / L. Oppenheim : Vol. 2: War and neutrality International law : a treatise / L. Oppenheim : Vol. 2: War and neutrality International law : a treatise / L. Oppenheim : Vol. 1: Peace International law : a treatise / L. Oppenheim : Vol. 2: Disputes, war and neutrality International law : a treatise / L. Oppenheim : Vol. 1: Peace