Columbia subject headings:
Missionaries, Medical--Gabon--Correspondence.
Musicians--Europe--Correspondence.
Nuclear warfare--Moral and ethical aspects.
Schweitzer, Albert, 1875-1965--Political and social views.
Theologians--Europe--Correspondence.
Harvard subject headings:
Missionaries, Medical--Gabon--Correspondence.
Musicians--Europe--Correspondence.
Nuclear warfare--Moral and ethical aspects
Schweitzer, Albert, 1875-1965--Political and social views.
Theologians--Europe--Correspondence.
Princeton subject headings:
Missionaries, Medical--Gabon--Correspondence.
Musicians--Europe--Correspondence.
Nuclear warfare--Moral and ethical aspects.
Schweitzer, Albert, 1875-1965--Political and social views.
Theologians--Europe--Correspondence.