Given are the title of four famous poems and their respective authors each which is encrypted by means of a simple substitution cipher. Identify the poems and their respective authors.

(i) Poem: Whos Owed Fuel
Author: Inclip Chief

(ii) Poem: Case, hard a case
Author: Gather Profusely

(iii) Poem: A Base of Jaicaria
Author: Pannap Clinic

(iv) Poem: Impasse
Author: Versant Urges