New System of Classification and Numbering (Classic Reprint)

New System of Classification and Scheme for Numbering Books (Classic Reprint)

Classification (Classic Reprint)

A Classification of Library Economy and Office Papers (Classic Reprint)

New System of Classification and Scheme for Numbering Books (Classic Reprint)

Classification: Class Z, Bibliography and Library Science (Classic Reprint)

Library Classification (Classic Reprint)