In reply to Good typeface for poetry...suggestions:
I'll start with my standard response to "what's a good font for a poem/resume/invitation/article?" — which is, "What's it about?"
Is there any unifying theme other than the date range? Who are the poems by? What kind of mood do you want to set? How long are the poems?
Mixing two serifs is a bit tricky. Must the titles use a different face? Must that face be a serif?