Meditation and Kabbalah by Aryeh Kaplan (30 day free read from SCRIBD)
The Essential Rabbi Nachman (Inspirational Quotes)
Easy Jewish Meditation – Build an Amazing Relationship with God – Emunah Center
Jewish Meditation – The Soul’s Flow Through the Body – Rabbi Laibl Wolf
Tzimtzum, Music and ABYA  (13 Petals Staff)
Jewish Meditation #1 – Intro to Chedvah Breathing – Rabbi Yitzchak Ginsburgh
In the Spirit – 1960 interview with Rabbi Aryeh Kaplan
Meditation and Prayer (Chabad)