Compare Poets
Pick two poets who seem to have nothing to do with each other — a Gothic American and a pastoral Englishman, say — and see where the catalogue actually joins them: overlapping years, shared ground, distinctive themes, and the poems that secretly rhyme.
Poet A
James Clarence Mangan
Poet B
Find a related contemporary
A random pair who overlapped in time and whose poems already rhyme in the catalogue — a way into poets you may not have met.
Pick a second poet to compare against James Clarence Mangan.
Alive at the same time
Contemporaries in the catalogue — a good place to start if you want an unlikely pairing.
Whose work already rhymes
The affinities map would send you here. Useful — and less surprising.