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Subject (Genre)
- Electronic books57
- Sources10
- Early works to 18006
- Biography4
- Treaties4
- Conference papers and proceedings3
- Congresses3
- Internet resources2
- Bibliography1
- Case studies1
- Chronology1
- Computer network resources1
- Constitutions1
- Documentary films1
- Electronic journals1
- Feature films1
- History1
- Nonfiction films1
- Pamphlets1
- Periodicals1