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1. Practice

1. News on International Law
2. Treaties
3. Practice

1. News on International Law

1.1 News Sites

1.2 Paper-based Sources

2. Treaties

3. Practice

3.1. State Organs

3.2. Reports on State Pracetice in Journals and Yearbooks

The following journals and yearbooks carry a section dedicated to the summary of the practice of the relevant State.　

3.3. Books on State Practice

    • Shigeru Oda & Hisashi Owada ed., The Practice of Japan in International Law 1961-1970, Univ.Tokyo Press, 1982.
    • Paul Guggenheim & Lucius Caflisch éds., Répertoire suisse de droit international public 1914-1939, 1975, 5 vols.
    • Alexandre Kiss éd., Répertoire de la pratique française en matière de droit international public, 1962-1972, 7 vols.
    • Clive Parry ed., British Digest of International Law, , 1965, 8 vols.
    • H.F. van Panhuys, International Law in the Netherlands, 1978, 3 vols.
    • United States Digests
      • Francis Wharton ed., Digest of International Law, 3 vols., 1887.
      • John Bassett Moore ed., Digest of International Law, 8 vols., 1906.
      • Green Haywood Hackworth ed., Digest of International Law, 8 vols., 1940-1944.
      • Marjorie M. Whiteman, Digest of International Law, 15 vols., 1963-1973.
      • Digest of United States Practice in International Law, 1973-1980.
      • Cumulative Digest of United States Practice in International Law, 1981-88, 3 vols.
      • For practice since 1989, see: http://www.state.gov/s/l/c8183.htm

3.4. Diplomatic Documents

3.5. Archives (some documents are available online)

3.6 Judgments and Decisions of National Courts

In addition to Journals and Yearbooks listed above (3.2), the following sources are useful: