1. Woodburn, JH. 2007.

Life and energy are siblings entities
PSCF 59(1):84-85. CELD ID 20777. Full text link available.

2. Woodburn, JH. 2005.

Life, the ultimate challenge
PSCF 57(2):126-127. CELD ID 20071. Full text link available.

3. Woodburn, JH. 2003.

Letter: Can Inanimate Objects Exercise Rationality? [response to Collins, 55.3 September 2003]
PSCF 55(4):281. CELD ID 18580. Full text link available.

4. Woodburn, JH. 2000.

The Label Problem
PSCF 52(4):230-230. CELD ID 14819. Full text link available.