These following pictures are from a search of the French Ministry of Culture Media Archive.

It is called "La médiathèque de l'architecture et du patrimoine", and I think this web link should work:
http://www.culture.gouv.fr/public/mistral/memsap_fr?ACTION=NOUVEAU&USRNAME=nobody&USRPWD=4%24%2534P

I searched for Reims in the first line of the search form and Basilique in the second.

South arm of transept:



South side of nave:



Facade from the rear:



Apsis:



Apsis again:



Present-day basilica plan (to the left):



Drawing of the nave:


My Il-2 CoD movie web site: www.flightsimvids.com