How to Practice Solitude (thenivbible.com)
Solitude and Silence
Silence and Solitude (Christianity Today)
“Out of Solitude: Three Meditations on the Christian Life” by Henry Nouwen (AMAZON)
“Invitation to Solitude and Silence: Experiencing God’s Transforming Presence” by Ruth Haley Barton
“Holy Solitude: Lenten Reflections with Saints, Hermits, Prophets, and Rebels” by Heidi Haverkamp