Christian Classics Ethereal Library
http://www.ccel.org/
Centering Prayer:
http://www.contemplativeoutreach.org/category/category/centering-prayer
Contemplative Outreach
http://www.contemplativeoutreach.org/
Examination of Consciousness
http://norprov.org/spirituality/ignatianprayer.htm
Guide to Early Church Documents
http://www.phd-programs-online.net/church-documents
Institutes for Christian Spirituality
http://www.christianspirituality.org
Spirituality Practice: Resources for Spiritual Journeys
http://www.spiritualityandpractice.com/
Internet Christian Library: Guide to Early Church Documents
http://www.iclnet.org./pub/resources/christian-history.html
Inner Explorations: Christian Mysticism
http://www.innerexplorations.com/chmystext/christia.htm
Ignatian Spirituality
http://www.jesuit.org/ignatian-spirituality/
Lectio Divina
http://lectio-divina.org/
http://www.valyermo.com/ld-art.html
http://www.contemplativeoutreach.org/category/category/lectio-divina
North American Association of Christians in Social Work
http://www.nacsw.org/index.shtml
Nouwen Legacy: Celebrating Henri Nouwen’s Spiritual Impact
http://www.nouwenlegacy.com/
Orthodox Prayer - Jesus Prayer or Prayer of the Heart
http://www.orthodoxprayer.org/Jesus%20Prayer.html
Spiritual Directors International
http://www.sdiworld.org/index.pl/home.html
Strategic Monk
http://strategicmonk.com/
The Association of Religion Data Archives
http://www.thearda.com/