4 books in series

The Tanner Lectures on Human Values

The Tanner Lectures on Human Values is a 4-book series with 4 primary works first released in 1991 with contributions by William Theodore de Bary, Martha C. Nussbaum, Bruce Ackerman, and Robert C. Post.

Frontiers of Justice : Disability, Nationality, Species Membership
The Decline and Fall of the American Republic
The Trouble with Confucianism
Citizens Divided: Campaign Finance Reform and the Constitution