1. Siegler, H. 1985.

The law of disintegration and degeneration
NCC83 :137-146. CELD ID 19277.

2. Siegler, HR. 1983.

Some thoughts on kinds
CRSQ 20(2):122-123. CELD ID 6115.

3. Siegler, HR. 1982.

Mortality among deer in winter
CRSQ 19(2):140. CELD ID 5965.

4. Siegler, HR. 1980.

Equating species with kind
CRSQ 16(4):231. CELD ID 5687.

5. Siegler, HR. 1979.

Vanishing species
CRSQ 15(4):216. CELD ID 5524.

6. Siegler, HR. 1978.

A creationist's taxonomy
CRSQ 15(1):36-38. CELD ID 2141.

7. Siegler, HR. 1976.

Fleeming Jenkin's critique of Darwin's Origin of Species
CRSQ 13(2):111-114. CELD ID 2087.

8. Siegler, HR. 1974.

The magnificence of kinds as demonstrated by canids
CRSQ 11(2):94-97. CELD ID 4632.