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Medium
- instructional materials8
- photographs[remove]8
- teaching guides4
- articles3
- black-and-white photographs3
- documentaries and factual works3
- oral histories (literary works)3
- sound recordings3
- writings3
- correspondence2
- legislative acts2
- letters (correspondence)2
- newspaper clippings2
- speeches2
- timelines (chronologies)2
- transcripts2
- broadsides (notices)1
- editorial cartoons1
- fliers1
- notes1