Home › Authors › United States. Delegation to the Conference of the Interparliamentary Union, 53rd, 1964, Copenhagen, Denmark 👤 United States. Delegation to the Conference of the Interparliamentary Union, 53rd, 1964, Copenhagen, Denmark 1 book Books by United States. Delegation to the Conference of the Interparliamentary Union, 53rd, 1964, Copenhagen, Denmark Fifty-third Conference of the Fifty-third Conference of the Interparliamentary Union 1964