Text ( visual ) : unmediated Peacock's Four ages of poetry ; Shelley's Defence of poetry ; Browning's Essay on Shelley / edited by H.F.B. Brett-Smith. -- 2nd ed. -- Oxford : B. Blackwell , 1923. -- xxxii, 112 p. ; 19 cm. -- Description based on: 7th impression (1967). -- (BA64320060) ; https://ci.nii.ac.jp/ncid/BA64320060 Other Title(s): The four ages of poetry. -- Author Heading(s): Peacock, Thomas Love ; Brett-Smith, H. F. B. ; Shelley, Percy Bysshe ; Browning, Robert. -- Classification(s): LCC : PN1055 ; DC : 808.1. -- Subject Heading(s): LCSH : Poetry -- Addresses, essays, lectures ; LCSH : Shelley, Percy Bysshe, 1792-1822 -- Addresses, essays, lectures ; LCSH : Poets, English -- 19th century -- Biography -- Addresses, essays, lectures