Columbia subject headings:
Literacy--United States--Handbooks, manuals, etc.
Literacy--United States--Societies, etc.--Directories.
Harvard subject headings:
Literacy--United States--Handbooks, manuals, etc.
Literacy--United States--Societies, etc.--Directories.
Princeton subject headings:
Literacy--United States--Handbooks, manuals, etc.
Literacy--United States--Societies, etc--Directories.