Abridged Decimal clasification and relativ index for libraries and personal use in arranging for immediate reference books, pamflets, clippings, pictures, manuscript notes and other material / by Melvil Dewey.

Decimal classification and relativ index for libraries : clippings, notes, etc / [Melvil Dewey].

We're experiencing some problems with our WiFi today. Thank you for your patience while we resolve these issues.

We're running paid user research studies to improve Wellcome Collection online