Modern Philosophers Influenced by the Christian Theosophy of Jacob Böhme

Soren Kierkegaard
Kierkegaard Writings

Pavel Florensky
The Pillar and Ground of the Truth 

Vladimir Solovyov
Solovyov Writings I

Nikolai Berdyaev:
Berdyaev (Thought Overview)
Berdyaev (Four Russian Thinkers)