Poet Theodore Roethke's prose is engaging, humorous, self-deprecating, and no-bullshit. I love the bits from his notebooks in particular: he's supremely quotable. His insights on poetry are useful for a poet at any stage of his/her development, and for teachers and lovers of poetry in general. A few...
Anthologies like these often get criticized for being either too Dead White Male oriented or too multiculturaly inclusive (See the criticism for the recent Rita Dove edited Penguin Anthology of 20th Century Poetry.) Library of America avoids that simply by being gigantic. Arranged by order of birthd...