The reader's guide to the Encyclopædia britannica; a handbook containing sixty-six courses of systematic study or occasional reading

Eitemau Tebyg

• The Encyclopædia britannica; a dictionary of arts, sciences, and general literature
  Cyhoeddwyd: (1891)
• The Encyclopædia britannica : a dictionary of arts, sciences, literature and general information
  Cyhoeddwyd: (1910)
• Americanized encyclopaedia britannica. A dictionary of arts, sciences and literature, to which is added biographies of living subjects. 96 colored maps, and numerous illustrations
  Cyhoeddwyd: (1892)
• The new volumes of the Encyclopædia britannica, constituting, in combination with the existing volumes of the ninth edition, the tenth edition of that work, and also supplying a new, distinctive, and independent library of reference dealing with recent events and developments ... forming vol. XXV[-XXXV] of the complete work
  Cyhoeddwyd: (1902)
• Courses of reading and study in The new international encyclopædia
  Cyhoeddwyd: (1916)