42 A Guide to the Use of the Beading Boom. 



The American Catalogue of Books. (Originally edited by F. 



Leypoldt. Authors and Subjects. Vol. I. Erom the earliest 



date of printing in the U.S.A. to July 1876. Vol. II., etc. 



1876 to the present time.) 

 Kelly (J.) The American Catalogue of Books published in the 



U.S.A. 2 vol. 1861-1871. 

 Publisher's Weekly. The American Book-trade Journal. 1872 



to the present time. 

 Steigee (E.) The Periodical Literature of the U.S.A. 1873. 



Guide to the current Periodicals and Serials of the United States 

 and Canada. 1909, etc. 



For other Indexes to Periodicals, etc., see above, Great Britain 

 and Ireland. 



Wales. 



See also above. Great Britain and Ireland. 



BowLANDS (W.) Cambrian Bibliography. An account of the 



books printed in Welsh, etc. 1546-1800. 

 Cardiff Free Library. Catalogue of printed Literature in the 



Welsh Department. By J. Ballinger. 1898. 

 Bibliotheca Celtica. a register of publications relating to 



Wales, the Welsh language, etc. 1910, etc. 



BIBLIOGEAPHIES OF SPECIAL SUBJECTS. 



Vol. II. of the List of Books forming the Eeference Library 

 consists of a Subject Index of all the books in the Beading Eoom. 

 At the beginning of each subject-heading (or in the case of 

 Countries, of each sub-heading, such as History, Law, Topography, 

 etc., of each country) will be found all the bibliographical books on 

 each subject which are to be found in the Eeference Library. The 

 same course has been followed in the Subject Index of Modern 

 Works, which contains many additional bibliographies on each 

 subject. 



Bibliographies contained in Encyclopaedias, Handbooks, etc. 



In addition to the bibliographical monographs already 

 mentioned, most of the recent, and some of the earlier, Encyclo- 

 paedias and works of reference append to each of the more 

 important articles a list of the principal books relating to the 

 subject with which the article deals. 



These Hsts are often of great utility, since they usually include 

 only the best books on each subject. The following is a short 



