在美国,为学者服务的大型研究图书馆,其突出的特点之一就是外文图书收藏的范围很广。而其他国家的图书馆重点可能是收藏本国语言的图书,然后再按需要增添一些英语、法语、德语等常用语种的图书。十九世纪美国的大学图书馆也起这样。但是,从本世纪起,特别是第二次世界大战以来,美国大学和研究图书馆根据需要将购书费和人事预算的基本部分用于其他语种(如阿拉伯语、汉语、俄语和印地语等)出版物的订购、编目及其服务项目之 One of the salient features of a large research library serving academics in the United States is the wide range of foreign language book collections. In other countries, libraries may focus on books that contain their own language, and then add books in common languages ​​such as English, French and German as needed. The nineteenth-century American university library also serves as such. However, since the beginning of this century, and especially since the Second World War, the University and Research Library of the United States has used basic elements of purchase and personnel budgets in other languages ​​(such as Arabic, Chinese, Russian and Hindi, etc.) ) Publications, cataloging and services