Columbia subject headings:
Authors, Senegalese--20th century--Correspondence.
Bartels, Cees, 1943-2014--Correspondence.
Presidents--Senegal--Correspondence.
Senghor, Léopold Sédar, 1906-2001--Correspondence.
Spirituality.
Harvard subject headings:
Princeton subject headings:
Authors, French--20th century--Correspondence.
Bartels, C. M. (Cees M.)--Correspondence.
Brothers (Religious)--Netherlands--Correspondence.
Politicians--Senegal--Correspondence.
Senghor, Léopold Sédar, 1906-2001--Correspondence.
Spirituality--Christianity--History--20th century.