In the heading of titles, the names of authors are to be given _in
full_, and in their _vernacular_ form, except that the Latin form may
be used when it is more generally known, the vernacular form being
added in parentheses; except, also, that sovereigns and popes may be
given in the English form. (2a
English and French surnames beginning with a _prefix_ (except the
French de and d’) are to be recorded under the prefix; in other
languages under the word following; (2b
English _compound_ surnames are to be entered under the last part of
the name; foreign ones under the first part; (2c
Designations are to be added to _distinguish_ writers of the _same
name_ from each other; (2d
Prefixes indicating the _rank_ or _profession_ of writers may be added
in the heading, when they are part of the usual designation of the
writers. (2e
Names of places to be given in the English form. When both an
English and a vernacular form are used in English works, prefer the
vernacular. (2f