New Catholic Encyclopedia -1967- Volume 14 Page 299

The keyword is more than a library call number. It functions as a scholarly locus probans (a place to find proof) for several reasons:

Further reading suggestion: For a comparison, consult the 2003 edition of the NCE, Volume 10, page 456 (updated article on "Penance: Form and Matter"). new catholic encyclopedia -1967- volume 14 page 299

If you are a graduate student, a historian of medieval theology, or a Catholic priest researching the history of penance, here is how to use this citation effectively: The keyword is more than a library call number