anti-communist materials, what was behind lee harvey oswald after he assassinated president fluoridationeven as an additive to drinking water . it became an issue associated with communists. i have not read it, but they somehow thought it was a communist plot that would ruin us all. this grouping represents the environmental movement. this is racial parsons groundbreaking book -- rachel parsons groundbreaking book "silent spring." and her research helped to launch the environmental movement. buttonser sticker and are parts of the collection, and they are the part i really enjoyed working with. i love the fact that with just a few words, you can get a message across that really says it all, light for instance, this little, tiny sticker here, flush rush, from now, the national organization of women. they are talking about rush limbaugh, of course. run of the black panther newspaper. we have a large gathering of ephemera from the black panthers, where they talk about their mission, with the issues were, what they were trying to create, then we also have other materials relating to civil rights.