compulsory, [25]
conception of, [16]
costs of, [32]
early use of, [22]
efficacy of, [25]
Hague Convention, stipulations concerning, [24]
language to be used during, [26], [28]
minutes concerning, [28]
Permanent International Court of, [22], [23], [26], [27]-31, [561]
preliminary proceedings in, [27]