Columbia subject headings:
International Peace Conference (1st : 1899 : Hague, Netherlands)
International Peace Conference (2nd : 1907 : Hague, Netherlands)
Peace.
Harvard subject headings:
International Peace Conference (1st : 1899 : Hague, Netherlands)
International Peace Conference (2nd : 1907 : Hague, Netherlands)
International Peace Conference.
International law--Congresses.
Pacific settlement of international disputes--Congresses.
Peace--Congresses
Princeton subject headings:
Hague (Netherlands). International peace conference 2d, 1907.
International Peace Conference (1899 : Hague, Netherlands)
Peace.