. . . . . "Guide to reference books"@en . "Guide to reference books" . . . "Bibliographie" . . . . "Tijdschrift" . "Guide to Reference is a selective guide to the best reference sources, organized by academic discipline. An editorial team of reference librarians and subject experts have selected and annotated some 16,000 entries, both print and web-based, free and subscription." . . . "Bibliography"@en . . . . . "Bibliografie" . . . . . "American Library Association" . . "American Library Association." . "Enzyklopädie." . . "Bibliographie der Bibliographien." . . "Zonder onderwerpscode: algemeen." . . "Nachschlagewerk." . .