Columbia subject headings:
Harvard subject headings:
Downloading of data--Congresses.
Libraries--Automation--Congresses
Library information networks--Congresses.
Machine-readable bibliographic data--Congresses.
Microcomputers--Congresses
Online data processing--Downloading--Congresses.
Online data processing--Uploading--Congresses.
Uploading of data--Congresses.
Princeton subject headings:
Downloading of data--Congresses.
Libraries--Automation--Congresses.
Library information networks--Congresses.
Machine-readable bibliographic data--Congresses.
Microcomputers--Congresses.
Online data processing--Uploading--Congresses.