History of the Encyclopædia Britannica the criteria by which the articles were sorted were not obvious even to scholars, despite Dr. Adler's claims that the sorting followed naturally from the "Propædia's" outline of all knowledge. In 1985, the "Britannica" responded to reader requests by restoring the index as a two-volume set. The number of topics indexed by the "Britannica" has fluctuated from 500,000 (1985, the same as in 1954) to 400,000 (1989,1991) to 700,000 in the current 2007 print version. Presumably, this recent increase reflects the introduction of efficient electronic indexing, since the size of the encyclopedia has remained nearly constant at approximately 40 million
Chinese encyclopedia "Encyclopedia of China" is the first comprehensive (74 volume) Chinese encyclopedia. Compilation began in 1978, and the Encyclopedia of China Publishing House published individual volumes from 1980 through 1993. There is a 2009 concise second edition, as well as CD-ROM and online versions. The (1981–83) "Zhonghua Baike Quanshu" or "Chinese Encyclopedia" is a 10-volume comprehensive reference work published by the Chinese Culture University in Taiwan. An online version is also available. The 1985–91 Chinese-language edition "Concise Encyclopædia Britannica" or "Jianming Buliedian Baike Quanshu" is an 11-volume translation based on the Micropædia portion of the 1987 15th edition of the "Encyclopædia