Columbia subject headings:
Academic libraries--Congresses.
Libraries--Automation--Congresses.
Library science--Technological innovations--Congresses.
National libraries--Congresses.
Harvard subject headings:
Academic libraries--Congresses.
Libraries--Automation--Congresses
Library science--Technological innovations--Congresses
National libraries--Congresses.
Princeton subject headings:
Academic libraries--Congresses.
Libraries--Automation--Congresses.
Library science--Technological innovations--Congresses.
National libraries--Congresses.