Presents a table relating the main classes and subclasses of the Library of Congress classification system for Q through V (the sciences) to their corresponding Z numbers. The methodology employed in preparing the key is explained. (Author/JL)

Describes some of the confusing aspects of the Bibliography Section (Z Class) of the Library of Congress Classification system and recounts the preparation of a key showing a comparison of the A through P classes with their corresponding Z numbers. The comparative classification key is appended. (JL)

This volume contains tables that list Library of Congress classification numbers (i.e., call numbers) with corresponding Dewey Decimal classification numbers and related Library of Congress subject headings. Materials referenced in the conversion tables are the 21st edition of the "Dewey Decimal Classification," the most current edition…

This volume contains tables that list Dewey Decimal classification numbers (i.e., call numbers) with corresponding Library of Congress classification numbers and related Library of Congress subject headings. Materials referenced in the conversion tables are the 21st edition of the "Dewey Decimal Classification", the most current edition…

This volume contains tables that list Library of Congress subject headings with corresponding Library of Congress and Dewey Decimal classification numbers (i.e., call numbers). Materials referenced in the conversion tables are the 21st edition of the "Dewey Decimal Classification," the most current edition of the various volumes of the…