Columbia subject headings:
Architecture.
Fernández Balbuena, Roberto, 1891-1966--Knowledge and learning.
Harvard subject headings:
Architecture.
Fernández Balbuena, Roberto, 1891-1966--Knowledge--Architecture.
Fernández Balbuena, Roberto, 1891-1966--Notebooks, sketchbooks, etc.
Fernández Balbuena, Roberto, 1891-1966--Travel.
Princeton subject headings:
Architecture.
Fernández Balbuena, Roberto, 1891-1966--Knowledge--Architecture.
Fernández Balbuena, Roberto, 1891-1966--Notebooks, sketchbooks, etc.
Fernández Balbuena, Roberto, 1891-1966--Travel.