- Congress and its membersRoger H. Davidson, Walter J. Oleszek
- Understanding the PresidencyJames P. Pfiffner, Roger H. Davidson
- The Postreform CongressRoger H. Davidson
- The encyclopedia of the United States CongressDonald C. Bacon, Roger H. Davidson et al.
- Congress and its membersRoger H Davidson, Roger H. Davidson et al.
- GoverningRoger H. Davidson, Walter J. Oleszek
- The U.S. Congress and the German BundestagUwe Thaysen, Roger H. Davidson et al.
