Separating State from Church: A Research Guide to the Law of the Vatican City State
Stephen Young (Catholic University) and Alison Shea (Fordham) have deposited Separating State from Church: A Research Guide to the Law of the Vatican City State in SSRN.
From the abstract:
Mr. Young and Ms. Shea discuss the unique situation of the Vatican City State in legal research. They provide an overview of the founding documents and the constitutional structure of the world's smallest sovereign nation, a discussion of the complex nature of the Vatican's international status, and a bibliographic essay covering the materials most likely to be available in law libraries in the United States.
Source: Law Librarian Blog