Now why would you *ever* want to express a LCCN as an info-uri? The LoC has spent a lot of time and effort establishing these personal name and subject authorities. You might want to use a URI like info:lccn/no9910609 to identify Tim Berners-Lee as an individual in your data so that other people will know who you are talking about and be able to interoperate with you. For example you can now unambiguously say that Tim Berners-Lee created Weaving the WebAnother public identifier would be an OCLC ID number. How aout the MARC Organizations codes? We have lots we can share and reuse in the wider community.