1915. 4th Edition. 1080 pages. No dust jacket. Red cloth with decorations. Ex-Libris plate of Helen and Michael Oppenheimer stuck to front pastedown. Pull-out black and white illustration to ribbon to rear pastedown with plates throughout. Severe cracking to hinges causing boards to be loose. Pages and plates have light tanning and foxing throughout. Small tears to some page edges, text remains unaffected. Boards have moderate shelf-wear with bumping to corners and rubbing to surfaces. Light tanning to spine and edges with crushing to spine ends. Dents to edges.