1900. Sixth Edition. 341 pages. No dust jacket. Green cloth boards with gilt lettering. Clean pages with light tanning and mild foxing throughout. Pencil annotations and marginalia to a few pages. Binding remains firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Gilt lettering is darkened. Minor splits to spine ends and corners causing cloth to be frayed. Visible wear marks to boards.