Paul S. Muhly, Jean N. Renault, and Dana P. Williams, Equivalence and isomorphism for groupoid C*-algebras, J. Operator Theory 17 (1987), 3-22.

Roger R. Smith and Dana P. Williams, Separable injectivity for C*-algebras, Indiana U. Math. J. 37 (1988), 111-133.

Iain Raeburn and Dana P. Williams, Crossed products by actions which are locally unitary on the stabilisers, J. Funct. Anal. 81 (1988), 385-431.

Dana P. Williams, The structure of crossed products by smooth actions, J. Austral. Math. Soc. (Series A) 47 (1989), 226-235.

Dana P. Williams, Review of ``Representations of *-algebras, locally compact groups, and Banach *-algebraic bundles'' by J. M. G. Fell and R. S. Doran, In Bull. Amer. Math. Soc., volume 21, pages 311-314. 1989.

Iain Raeburn, Allan M. Sinclair, and Dana P. Williams, Equivariant completely bounded operators, Pacific J. Math. 139 (1989), 155-194.

Paul S. Muhly and Dana P. Williams, Continuous trace groupoid C*-algebras, Math. Scand. 66 (1990), 231-241.

Paul S. Muhly and Dana P. Williams, Continuous trace groupoid C*-algebras, II, Math. Scand. 70 (1992), 127-145.

Iain Raeburn and Dana P. Williams, Moore cohomology, principal bundles, and actions of groups on C*-algebras, Indiana Univ. Math. J. 40 (1991), 707-740.