The unit is the strophe, which may be the whole poem, or only a part.

In fact, the whole poem is packed with frenzied action.

You hear the whole poem before you see a picture.

Manuscript A of the whole poem, written out progressively during 1925 - 31.

If not the whole poem, at least the first line.

Some may even be able to quote the whole poem.

And to make it worse, Matt could scarcely get out a single word, let alone a whole poem!

The whole poem is written in 6 sentences with much repetition.

There is an ongoing effort to make the whole poem available online.

He could read a whole poem to me from an adult book.