Q. I'm doing a paper on Christina Rossetti's Goblin Market. I did a search of the Criss holdings several days ago and found an ebook that at the

You could call the Circulation Desk at 554-3206 to see if that information is retained anywhere.  If it isn't, you could try going to our advanced search page (http://unomaha.worldcat.org/advancedsearch), setting the format to "ebook," and entering search terms similar to the ones you used to find the ebook the first time.  That might narrow the results down to a point where you can find it back.