Classification and Index (Classic Reprint)

Fomes Annosus: A Bibliography With Subject Index (Classic Reprint)

A Classification and Subject Index, for Cataloguin

Classification for a Physical Training With a Complete Index (Classic Reprint)

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

Library Classification and Numbering System (Classic Reprint)

Classification: Theoretical and Practical (Classic Reprint)