David E. Woolbright

An n x n Latin Square Has a Transversal with at Least n - square root of n Distinct Symbols

David E. Woolbright, 1978, J. Comb. Theory, Ser. A.

On the Size of Partial Parallel Classes in Steiner Systems

David E. Woolbright, 1980 .

INTRODUCTION TO THE PRISONERS VERSUS GUARDS GAME

David E. Woolbright, E. Ionascu, Timothy Howard, 2008, 0801.0833.