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 the derivative in order to bring the entry under a lai^er heading.

Examples.

French Ceremonial. Projet du nouveau ceremonial francois. Paris, 1746. 4to.

France. — Army. L'armee francaise et ses drapeaux. Paris, 1852. i2mo.

(2) Where for the name of an author there is substituted an official designation or description sufficiently clear to render his identity unmistakable, the book is not to be regarded as anonymous, but is to be entered under the name of the author.

When an author, while concealing his identity, writes under a general name derived from any office, profession, party, or qualification, the name so assumed is treated as a real name, and taken as a heading. Books in which the author designates himself merely by a descriptive phrase or circumlocution are treated as anonymous.

Examples.

A book entitled " The Secret of England's Greatness," stated to be "A speech by the Chancellor of the Exchequer," is entered under the name of the author as a matter of common knowledge ; if stated to be " by a Merchant," under the name " Merchant " ; but if " By a Citizen of London," it is treated as anonymous and entered under England.

(3) Commentaries accompanied by the full text of the work commented on are treated as editions of the work, except when the text is distributed through the Commentary in such a manner as not to be readily distinguished from it, or is of insignificant bulk as compared with the Commentary. This is one of the points where the catalogues of the British Museum and the Bibliotheque Nationale most conspicuously differ.