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Subjects
- Classification, Universal decimal--Research.1
- Information science -- Congresses.1
- Information science -- History -- 20th century.1
- Information science -- United States -- Societies,etc.1
- Information science--History--20th century.1
- Information science--Study and teaching--20th century.1
- Information storage and retrieval systems --Research.1
- Information storage and retrieval systems --Standards.1
- Information storage and retrieval systems--Research--20th century.1
- Libraries--Automation--20th century.1
- Library consultants--United States.1
- Professional associations -- United States.1