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Subjects
- Information science -- United States -- Societies, etc.[remove]2
- Electronic data processing -- History--20th century.1
- Indexing.1
- Information science -- History -- 20th century.1
- Information storage and retrieval systems -- History.1
- Information storage and retrieval systems --Research.1
- Information storage and retrieval systems --Standards.1
- Microfilms -- Standards.1
- Micrographics industry.1
- Microphotography -- Standards.1
- Patents.1