This is a nice, concise Teasdale biography from the folks at The Academy of American Poets. Check out the side bar for jumps to a bunch of other Teasdale poems.
Here's a slightly longer bio from our good friends at the Poetry Foundation. Scroll down to the bottom for a good list of further Teasdale reading.
Yes, you read that right. Here is a video version of "Barter" complete with Lady Ga Ga sound track.
Here's another student vid, interpeting "Barter."
Here is a reading of "Barter" by someone that's clearly feelin' it.
These three pieces were inspired by three Teasdale poems. Scroll down to see the poems themselves. Do you think the sound of the music captures the mood of the poems?
Here are four rather formal looking pictures of Sara from various points in her life.
Here's one of Sara later in life.
In chapter two of the 1918 book, Our Poets of Today, the author, Howard Cook, discusses Teasdale and her poetry—start on page 12.
Here's a link to the first edition of Love Songs. "Barter" is the first poem in the collection.
This is a collection of Teasdale's poems. If you liked "Barter," chances are these will be your cup of tea as well (Get it, tea?…Teasdale? Okay, we'll stop).