Catholic periodical and literature index
The Catholic Periodical and Literature Index Online is the product of a partnership between ATLA and the Catholic Library Association. The database covers all aspects of the Catholic faith and lifestyle, and includes over 380,000 index citations of articles and reviews published in Roman Catholic periodicals, Papal documents, church promulgations, and books about the Catholic faith that are authored by Catholics and/or produced by Catholic publishers.
Indexing for CPLI Online corresponds to the print version, The Catholic Periodical and Literature Index,published by the Catholic Library Association and covers content from over 200 periodicals. Coverage in the database dates back to 1981.
PS: I searched "guilt", only 154 hits, not nearly as many as my colleagues have led me expect