Don't waste lots of time looking (30 minutes of frustration is too long). Use us! Librarians love to answer questions. And don't feel you should know where to go. Libraries and information are complicated at first.  

See Suzi Cole (in person) in the Science Library (during weekdays usually, but always around Monday evenings 7-10 pm. 
Email her swcole@colby.edu, or call x5791

If you know what you want, but Colby doesn't have it, then Borrow from another library.