code: public T photos_get(Long albumId)
      throws FacebookException, IOException {
      return photos_get(/*subjId*/null, albumId, /*photoIds*/null);
    }
docs: Used to retrieve photo objects using the search parameters (one or more of the
  parameters must be provided).
  
  @param albumId retrieve from photos from this album (optional)
  @return an T of photo objects.
  @see #photos_get(Integer, Long, Collection)
  @see <a href="http://wiki.developers.facebook.com/index.php/Photos.get">
  Developers Wiki: Photos.get</a>