Contents: Part I Knowledge,Universal and general bibliographies,Bibliographies of individual persons,National bibliographies,Use subject bibliographies,Classified catalogues,Indexing services,Abstracting services,Part II Library science,Iaslic conferences,Iaslic reports,Library establishment and purpose,Library buildings,Library government and personnel,Regulation for use of libraries,Library management and operation,Special libraries,General libraries,Reading and reading guidance,Part III,Encyclopedias,Learned institutions,Manuscripts and rare books, Biography,Part IV Index.