400 ;;Quote: a thesaurus groups natural language words under interrelated, conceptual labels; group by synonymy or resemblance of meaning

401 ;;Quote: the subject classification of vocabularies goes back to Sanscrit, Pollux, and Aelfric; for example, Gods, Agricultural Tools, Occupations

403 ;;Quote: Wilkins published a Universal Character in 1668 through the Royal Society; a massive hierarchical classification of ideas and synonyms

403 ;;Quote: seventeenth-century scientists sought a Universal Character, or interlingua, for scientific description and argument; to replace Latin

404 ;;Quote: since arithmetic is universally understood, a universal language for words should be possible

404 ;;Quote: construct a Universal Character by assigning symbols for simple notions and compose these symbols for everything else; like logic and mathematics

405 ;;Quote: Dalgarno developed a universal language based on a hierarchical classification with three letter codes; e.g., 'g' is 'Qualitas Sensibilis', 'ga' is tactus, and 'gan' is humiditas

409 ;;Quote: Dewey paraphrased: organize your books so that you can find them, and never mind the philosophy

409+;;Quote: any set of ordinary English thesauri show how differently the same vocabulary can be treated

409+;;Quote: a retrieval thesaurus, like any thesaurus, is somewhat arbitrary