A more perfect union : introduction to American government /
[Samuel C. Patterson, Roger H. Davidson, Randall B. Ripley].
- Rev. ed.
- Homewood, IL : Dorsey Press, 1982.
- xi, 624, [39] p., [5] p. of plates : ill. (some col.) ; 26 cm.
- The Dorsey series in political science .
- Dorsey series in political science. .