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Subject (Genre)
- Executive Department Publications471
- Statistics308
- Periodicals283
- Annual Reports246
- Instructional films129
- Legislative Report - Public Bills111
- Congresses107
- Problems and exercises104
- Internet videos91
- Academic theses89
- Names Lists84
- Bibliography68
- Presidential Communications and Messages61
- Charts, diagrams, etc59
- Educational films59
- Dictionaries51
- Monographs51
- Handbooks, manuals, etc39
- Problems, exercises, etc35
- Short films35