"Biographia Literaria" is --------- by S.T Coleridge

Biographia Literaria,
- In full, Biographia Literaria; or Biographical Sketches of My Literary Life and Opinions, work by Samuel Taylor Coleridge.
- First published in two volumes in 1817.
- It quickly expanded into a two-volume autobiography, mixing memoir, philosophy, religion and literary theory.
- Coleridge himself described Biographia Literaria as an ‘immethodical miscellany’ of ‘life and opinions'.
- Biographia Literaria was the most important work of literary criticism of the English Romantic period.

Other Notable works of S.T Coleridge:
- The Rime of the Ancient Mariner
- Christabel
- Kubla Khan
- Frost at Midnight
- Dejection: An Ode
- On the Constitution of the Church and State

Source: British Library and Britannica

https://www.bl.uk/collection-items/biographia-literaria-by-samuel-taylor-coleridge