Columbia subject headings:
Archives--Administration--Dictionaries.
Book industries and trade--Dictionaries.
Information science--Dictionaries.
Library science--Dictionaries.
Publishers and publishing--Dictionaries.
Harvard subject headings:
Archives--Administration--Dictionaries.
Bibliography--Dictionaries.
Book industries and trade--Dictionaries
Information science--Dictionaries
Library science--Dictionaries
Publishers and publishing--Dictionaries.
Princeton subject headings: