Oxbridge Alliances 

Between some Oxford and Cambridge Colleges there are alliances or twinning arrangements. The extent of the arrangement differs from case to case. For instance, some enable members of one college to book guest-rooms at the other college in the partnership.

                  Oxford  *  Cambridge

           Wadham College  *  Christ's College 
          Trinity College  *  Churchill College 
            Oriel College  *  Clare College 
        St Hugh's College  *    "      "
         St Cross College  *  Clare Hall 
   Corpus Christi College  *  Corpus Christi College 
          Wolfson College  *  Darwin College 
          Lincoln College  *  Downing College 
           Exeter College  *  Emmanuel College 
           St Edmund Hall  *  Fitzwilliam College 
       Somerville College  *  Girton College 
        Brasenose College  *  Gonville & Caius College 
             (not known)   *  Homerton College 
             (not known)   *  Hughes Hall 
            Jesus College  *  Jesus College 
              New College  *  King's College 
             (not known)   *  Lucy Cavendish College 
         Magdalen College  *  Magdalene College 
        St Anne's College  *  New Hall 
       Lady Margaret Hall  *  Newnham College 
          Queen's College  *  Pembroke College 
           Merton College  *  Peterhouse 
         Pembroke College  *  Queens' College 
   St Catherine's College  *  Robinson College 
        Worcester College  *  St Catharine's College 
            Green College  *  St Edmund's College 
          Balliol College  *  St John's College 
            Keble College  *  Selwyn College 
        St John's College  *  Sidney Sussex College 
            Christ Church  *  Trinity College 
       University College  *  Trinity Hall 
        All Souls College  *     "     "
          Linacre College  *  Wolfson College 
              Blackfriars  *   (not known)
             Campion Hall  *   (not known)
               Greyfriars  *   (not known)
Harris Manchester College  *   (not known)
         Hertford College  *   (not known)
          Kellogg College  *   (not known)
        Mansfield College  *   (not known)
         Nuffield College  *   (not known)
    Regent's Park College  *   (not known)
      St Antony's College  *   (not known)
          St Benet's Hall  *   (not known)
       St Hilda's College  *   (not known)
       St Peter's College  *   (not known)
        Templeton College  *   (not known)
            Wycliffe Hall  *   (not known)

Corrections and further info to Robin Walker. Based on an earlier list by Henry Button.