258 A LIBRARIAN'S WORK. [xn. 



or complex authorship, as in works like the Bollandist 

 Acta Sanctorum, conducted by a group of men, some 

 of whom are removed by death, while their places are 

 supplied by new collaborators. Some other immense 

 work, like Migne's Patrologicz Cursus Completes, will 

 give rise to nice questions owing to the indefiniteness 

 with which its various parts are demarcated from 

 each other. Many German books, on the other hand, 

 are troublesome from the excessive explicitness with 

 which they are divided, with sub-titles and sub-sub- 

 titles innumerable, in accordance with some subtle 

 principle not always to be detected at the first glance. 

 The proper mode of entry for reports of legal cases 

 and trials, periodicals, and publications of learned 

 societies, governments, and boards of commissioners, 

 is sure to call for more or less technical skill and 

 practical discrimination. Anonymous and pseudony- 

 mous works are very common, and even the best 

 bibliographical dictionaries cannot keep pace with 

 the issue of them. Where we can find, by hook or 

 by crook, the real name of the author of a pseudony- 

 mous work, it is entered under the real name, with a 

 cross-reference from the pseudonym. Otherwise it is 

 entered provisionally under the fictitious name, as, for 

 example, "VERITAS, pseudon" Anonymous works 

 are entered under the first word of the title, neglecting 



