Columbia subject headings:
Religious literature--Authorship--Handbooks, manuals, etc.
Religious literature--Publishing--Canada--Directories.
Religious literature--Publishing--United States--Directories.
Religious newspapers and periodicals--Canada--Directories.
Religious newspapers and periodicals--United States--Directories.
Harvard subject headings:
Religious literature--Authorship--Marketing--Directories.
Religious literature--Publishing--Canada--Directories.
Religious literature--Publishing--United States--Directories.
Religious newspapers and periodicals--Canada--Directories.
Religious newspapers and periodicals--United States--Directories.
Princeton subject headings:
Religious literature--Authorship--Handbooks, manuals, etc.
Religious literature--Publishing--Canada--Directories.
Religious literature--Publishing--United States--Directories.
Religious newspapers and periodicals--Canada--Directories.
Religious newspapers and periodicals--United States--Directories.