Encyclopedias, Almanacs, Transcripts, and Maps
- National Association of Evangelicals
- National Association of Pastoral Musicians
- National Black Sisters' Conference
- National Catholic Coalition for Responsible Investment
- National Catholic Conference for Interracial Justice (NCCIJ)
- National Catholic Development Conference
- National Catholic Educational Association (NCEA)
- National Catholic Pharmacists Guild of the U.S.
- National Catholic Student Coalition (NCSC)
- National Conference for Community and Justice (NCCJ)
- National Conference of Catechetical Leadership
- National Conference on Soviet Jewry
- National Council of Catholic Men (NCCM)
- National Council of Catholic Women (NCCW)
- National Council of Jewish Women (NCJW)
- National Council of the Churches of Christ in the U.S.A.
- National Federation of Temple Sisterhoods
- National Foundation for Jewish Culture (NFJC)
- National Havurah Committee (NHC)
- National Jewish Center for Immunology and Respiratory Medicine