ද්වාරය:කාව්ය/මූලාශ්ර
- A Defence of Poetry, by Percy Bysshe Shelley
- The Four Ages of Poetry, 1820 by Thomas Love Peacock
- Periods of European Literature Series: The First Half of the Seventeenth Century, 1906 by Herbert J. C. Grierson
- Poetry in the 1911 Encyclopædia Britannica