Finding Official Publications Available in Chicago
If a title listed in the Official Publications catalog lists two numbers, one of which is an "I.S." number, it is likely that a copy is available in South Asia Arrearage, JRL-560.
Such a record might look like this:
If there is no I.S. number, then we will not have a copy in our Official Publications collection in Arrearage. It is still worthwhile to search for the title in the WorldCat or in the Library catalog, as copies of some titles are available outside the British Library.