How to add alphabetized pager using glossary view?
There is a module, Views Glossary, which provide different options to glossary views. According to the docs, it provide following features:


  
  A special kind of layout to glossary view (which is available by
  default with views) or any view, see in screenshot.
  Providing pager with selectbox and textbox.
  A default view is added for example.
  Making items per pager independent of expose form submit. (A usability
  improvement)