Interchanges, Population -- See Population transfers Here are entered works on the mass transfer of ethnic groups from one country to another.
Interchurch cooperation -- See Interdenominational cooperation Here are entered works on religious activities planned and conducted cooperatively by two or more Christian sects. Works on prospective and actual mergers within and across denominational lines are entered under Christian union. Works on a movement for the purpose of church cooperation and unity, generally dated from the Edinburgh Missionary Conference of 1910 and leading to the formation of the World Council of Churches in 1948, are entered under Ecumenical movement. Works on unity as one of the "marks" of the church are entered under Church--Unity.
Intercropping -- See Also Companion planting Here are entered works on the growing of certain selected interplanting combinations in order to achieve a specific benefit such as pest control or enhanced growth. Works on the growing of two or more crops simultaneously in the same field or garden are entered under Intercropping.
Intercultural communication -- See Also Cross-cultural orientation Here are entered works on intercultural orientation programs designed to prepare specific groups of learners to live in another culture.