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
Nizami Ganjavi of Persian, Arabic, Turkish, Kurdish and Urdu poetry amongst many other languages. In Persian miniature, the stories in Nezami's poems alongside those of Ferdowsi's Shahnama have been the most frequently illustrated literary works. According to the Encyclopædia Britannica: "Nezami is admired in Persian-speaking lands for his originality and clarity of style, though his love of language for its own sake and of philosophical and scientific learning makes his work difficult for the average reader". Nezami composed his verses in Persian and Western Encyclopedias such as Encyclopedia of Islam, Encyclopædia Iranica, Encyclopædia Britannica and orientalists of many countries consider Nezami as