Columbia subject headings:
Michnik, Adam.
Poland--Politics and government--1980-1989.
Political prisoners--Poland--Correspondence.
Harvard subject headings:
Michnik, Adam
Poland--Politics and government--1945-1980
Poland--Politics and government--1980-1989
Political prisoners--Poland--Białołe̜ka--Correspondence.
Political prisoners--Poland--Correspondence.
Princeton subject headings:
Michnik, Adam.
Poland--Politics and government--1980-1989.
Political prisoners--Poland--Correspondence.