Columbia subject headings:
Harvard subject headings:
Grassmann, Marcelo, 1925-2013
Grassmann, Marcelo, 1925-2013--Notebooks, sketchbooks, etc.
Princeton subject headings:
Drawing--Brazil--20th century.
Grassmann, Marcello, 1925---Criticism and interpretation.
Grassmann, Marcello, 1925---Notebooks, sketchbooks, etc.