So much is necessary to prevent mistake on the part of the public; but it is a waste of time for the cataloguer to rack his brains to discover which of the ingenious names invented by Pierquin de Gembloux (cryptonym, geonym, phrenonym, etc.) is applicable to each case; for the only result is that readers are puzzled. A list of these terms may be found in the Notice of Quérard by Olphar Hamst [i. e., R. Thomas], London, 1867.
The unauthorized assumption of any name should be indicated by such phrases as called, calling himself, dit, soi disant, se dicente or che si dice, que se dice or se dicendiose, genannt, genoemd, etc.
136. When an author uses a single pseudonym add it to his name, unless the entry is made under the pseudonym; when the pseudonym is used only in one work, and different ones in other works, include it in that title, followed by [pseud.].
Ex.
Clemens, S. C. (pseud. Mark Twain).
Godwin, Wm. The looking-glass; by T. Marcliffe [pseud.]. {64}
137. Add ed. to the heading when it is needed to show that a book is merely put together, not written, by the author in hand.
The title usually shows this fact clearly enough without ed. Short would omit to note the fact, and in Full, perhaps even in Medium, it is better to state it in the title than in the heading. The distinction, after all, is rarely of practical value.
138. Repeat the family name for each person.
Ex.