Columbia subject headings:
Harvard subject headings:
Architecture--Missouri--Saint Louis--Guidebooks.
Architecture--Missouri--Saint Louis.
Buildings--Missouri--Saint Louis--Guidebooks.
Saint Louis (Mo.)--Buildings, structures, etc.--Guidebooks.
Saint Louis (Mo.)--Guidebooks.
Princeton subject headings:
Architecture--Missouri--Saint Louis Metropolitan Area--Guidebooks.
Architecture--Missouri--Saint Louis--Guidebooks.
Saint Louis (Mo.)--Guidebooks.