Columbia subject headings:
Drawing, Peruvian--20th century.
Ribeyro, Julio Ramón, 1929-1994--Catalogs.
Ribeyro, Julio Ramón, 1929-1994--Notebooks, sketchbooks, etc.
Harvard subject headings:
Ribeyro, Julio Ramón, 1929-1994--Notebooks, sketchbooks, etc.
Princeton subject headings:
Drawing, Peruvian--20th century.
Ribeyro, Julio Ramón, 1929-1994--Catalogs.
Ribeyro, Julio Ramón, 1929-1994--Notebooks, sketchbooks, etc.