Encyclopædia Britannica it is scarcely used, and reviewers have recommended that it be dropped from the encyclopaedia. The also has color transparencies of human anatomy and several appendices listing the staff members, advisors, and contributors to all three parts of the Britannica. Taken together, the and comprise roughly 40 million words and 24,000 images. The two-volume index has 2,350 pages, listing the 228,274 topics covered in the "Britannica", together with 474,675 subentries under those topics. The "Britannica" generally prefers British spelling over American; for example, it uses "colour" (not "color"), "centre" (not "center"), and "encyclopaedia" (not "encyclopedia"). However, there are exceptions to
Otto's encyclopedia Otto's encyclopedia Otto's encyclopedia ( or ), published at the turn of the 20th century, is the largest encyclopedia written in the Czech language. For its scope and the quality of the writing, it is comparable to the greatest world encyclopedias of its time, such as "Encyclopædia Britannica". At the beginning of the 1880s, Jan Otto, a Czech book-seller and publisher, began planning a new general Czech encyclopedia. He was inspired by the first Czech encyclopedia by F. L. Rieger, a fourteen-volume work published between 1860 and 1874, but wanted to go further. For a long time Otto could not