- Patent Office
- That Professional Look (1954) [SF] by Charles L. Harness and Theodore L. Thomas [only as by Leonard Lockhard]
- The Professional Touch (1959) [SF] by Theodore L. Thomas [only as by Leonard Lockhard]
-
The Professional Approach (1962) [SF]
by
Theodore L. Thomas
only appeared as:
- Variant: The Professional Approach (1962) [as by Leonard Lockhard]
- Variant: The Professional Approach (1962) [as by Charles Leonard Harness and Theodore Lockhard Thomas]
- Professional Dilemma (1964) [SF] by Theodore L. Thomas [only as by Leonard Lockhard]
