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| Acronym | Full form | |
|---|---|---|
| Acronym: GIA | Gregorian Institute of America | = A significant percentage of American contemporary liturgical music has been published under the names of three publishers: Oregon Catholic Press(OCP), Gregorian Institute of America (GIA), and World Library Publications (WLP, of J.S. Paluch Publishing). Oregon Catholic Press (OCP) is a not-for-profit affiliation of the Roman Catholic Archdiocese of Portland in Oregon. |