David W. Bebbington (EDT)/ Roger Swift (EDT)
(2)
Roger Swift (EDT)/ Sheridan Gilley (EDT)
(2)
Chester) Roger Swift (University College
(1)
Joshua K. Swift/ Roger P. Greenberg
(1)
Roger (University of Chester Swift UK)
(1)
Roger Swift (EDT)/ Christine Kinealy (EDT)
(1)
Roger Swift/ Sheridan Gilley (EDT)
(1)
Roland Quinault (EDT)/ Roger Swift (EDT)/ Ruth Clayton Windscheffel (EDT)
(1)
Sheridan Gilley/ Roger Swift
(1)