Columbia subject headings:
Architecture--England--Oxford--History--20th century.
Architecture--England--Oxford--History--21st century.
College buildings--England--Oxford--History.
St. John's College (University of Oxford)--Buildings--History.
Harvard subject headings:
Architecture--England--Oxford--20th century.
College buildings--England--Oxford.
St. John's College (University of Oxford)--Buildings.
Princeton subject headings:
Architecture--England--Oxford--20th century.
Architecture--England--Oxford--21st century.
College buildings--England--Oxford--History.
St. John's College (University of Oxford)--Buildings--History.