It's spring! And it's St. Patrick's Day! Here are some nerdy online collections we love to help you celebrate in true librarian style. Enjoy! ~Erinn Let's start with the NYPL Digital Collections, which is always good for vintage holiday ephemera- check out their collection of St. Patrick's Day postcards, which are doubly fascinating when they have handwritten notes on the back. Of course, there's plenty more to discover from our friends at the National Library of Ireland- their Advent Calendar postcard collection is a treat at Christmastime, but it's their Flickr photostream that's not to be missed this time of year- or any. There, you can view slideshows for lots of interesting collections, including selections from the library's Ephemera Collection: And the fascinating set of items-postcards, broadsides, and hand-written notes-that were found in the books of the Beckett Clodd Collection during cataloging: Of course, one of our favorite things at the NLI is Yeats: The Life and Work of William Butler Yeats, which is not only on exhibition at the library itself, but also a robust digital exhibit that you can explore online. Check out our feature on the digital show, and head to your local library to check out some poetry [...]