The Links at the top are for selecting the type of items to view. When one is selected, subcatagories will load in this viewport and thumbnails will load across the bottom frame.The thumbnails are links to view the fullsize images and information about the item. If you hold the cursor over the roundels below, you will have an opportunity to choose a direct link to Manuscripts, Maps or Antiquities.

Great Selection of Gregorian Chants! Hundreds of Illuminated Manuscripts Maps and Antiquities may be viewed & purchased.