1960—1970年代,风云激荡的美国,发生了黑人民权运动、越战、嬉皮士等一系列重大而影响深远的社会事件。伴随着这些事件的发生和影响,档案工作也产生了巨大的变化,公私文件大量增加,照片、胶片、磁带等新型载体档案层出不穷,反映到档案利用领域,一个显著的变化就是传统的档案利用重点方向——历史研究,也因社会环境和档案工作的变化而从政治领域向更广泛的社 During the 1960s and 1970s, a series of major and far-reaching social events such as the black civil rights movement, the Vietnam war, and hippies took place in the volatile world of the United States. With the occurrence and impact of these incidents, tremendous changes have taken place in archival work. Public and private documents have increased substantially. New carrier files such as photos, films and tapes have emerged in an endless stream and are reflected in the utilization of archives. A notable change has been the focus of traditional archives utilization Direction - historical research, but also because of changes in the social environment and archival work from the political area to a wider community