Columbia subject headings:
Artists--Colombia--Biography.
Wiedemann, Guillermo, 1905-1969.
Harvard subject headings:
Artists--Colombia--Biography.
Wiedemann, Guillermo, 1905-1969
Princeton subject headings:
Artists--Colombia--Biography.
Painting, Colombian--20th century--Catalogs.
Wiedemann, Guillermo, 1905-1969--Catalogs.
Wiedemann, Guillermo, 1905-1969--Criticism and interpretation.