Columbia subject headings:
Authors, French--20th century--Correspondence.
Authors, French--21st century--Correspondence.
Cheng, François, 1929---Correspondence.
Soul.
Harvard subject headings:
Authors, French--20th century--Correspondence
Authors, French--21st century--Correspondence.
Cheng, François, 1929---Correspondence.
Soul
Princeton subject headings:
Authors, French--20th century--Correspondence.
Authors, French--21st century--Correspondence.
Cheng, François, 1929---Correspondence.
Soul.