aviation industry to rate the condition of used aircraft. Automobile Blue Book, a route guide to American intercity transportation published between 1901 and 1929. Kelley Blue Book, an automotive appraisal guide from the company of the same name; it is the United States' largest automotive vehicle valuation company. Other publications The Bluebook: A Uniform System of Citation, a style guide that prescribes the most widely used legal citation system in the United States One of the Blue and Brown Books, sets of notes taken during lectures conducted by the philosopher Ludwig Wittgenstein between 1933 and 1935 also called Preliminary Studies for the "Philosophical Investigations" Blue Book (magazine), published from 1905 to 1975 Blue Book (racing), a publication of The Jockey Club Little Blue Books and Big Blue Books, a series of 20th century paperback books by the Haldeman-Julius Publishing Company The Wee Blue Book, a Scottish political pro-independence publication In medicine, the WHO/IARC Classification of Tumors blue book series, published by the International Agency for Research on Cancer and the World Health Organization The Yearbook of the Motor Sports Association, contains rules for motor sports run under the MSA. IUPAC Blue Book, Nomenclature of Organic Chemistry The Blue Book of Stationery See also Black Book (disambiguation) Blue booking, a term from role-playing games for events which happen away from the game itself Green Book (disambiguation) Green paper Grey literature Persuasive writing Red Book (disambiguation) White paper References External links State Blue Books. American Library Association's Government Documents Roundtable (GODORT) Almanacs Grey literature