Michael Z. Williamson (EDT)
(3)
John Ringo/ Michael Z. Williamson
(2)
Michael Z. Williamson(EDI)
(2)
S. M. Stirling/ Harry Turtledove/ Jody Lynn Nye/ John Ringo/ Michael Z. Williamson
(2)
Harry Turtledove/ S. M. Stirling/ Michael Z. Williamson/ John Ringo/ Jody Lynn Nye
(1)
Michael Z. Williamson/ Dennis Holland (NRT)
(1)
Michael Z. Williamson/ James Baen
(1)
Robert A. Heinlein/ Michael Z. Williamson (AFT)
(1)
Travis Taylor/ Timothy Zahn/ Michael Z. Williamson/ Kacey Ezell/ Josh Hayes
(1)