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Subject (Genre)
- Congresses41
- Periodicals34
- Bibliography10
- Statistics7
- Handbooks, manuals, etc5
- Conference papers and proceedings3
- Electronic books3
- History3
- Legislative hearings3
- Biography2
- Case studies2
- Périodiques2
- Photoprints2
- Sources2
- Academic theses1
- Classification1
- Computer network resources1
- Documentary films1
- Early works to 18001
- Electronic book1