. . . . . . . . . . . . . . "Manuscript collection" . . "Oral history" . . . . . . . . . . . . . . . . . . . . . . . . "Sound recordings" . . . . . . . . . . . . "Tape-recorded interviews conducted by O'Brien as research for his doctoral dissertation, \"The Development of a New Left in the United States, 1960-1965\" (University of Wisconsin-Madison, 1971)." . . . . . . . . . . . . . . . . . . . . . . . . . .