 In 1978, two years after the end of the Cultural Revolution, the library started publishing the "Bulletin of the Beijing Library" ("Beitu Tongxun" 北图通讯), which quickly became one of China's most important library publications.In 1979, under an Implementing Accord regulating cultural exchanges between the U.S. and China, it vowed to exchange library material with the Library of Congress.To compensate for a lack of professionally trained librarians, starting in 1982 librarians from the NLC and other academic libraries spent periods of six months at the Library of Congress and the Yale University Library.