Columbia subject headings:
English language--Early works to 1800.
English language--Grammar--Early works to 1800.
Spelling reform--Early works to 1800.
Harvard subject headings:
English language
English language--Orthography and spelling
Spelling reform.
Princeton subject headings:
English language--Early works to 1800.
English language--Grammar--Early works to 1800.
Spelling reform--Early works to 1800.