Columbia subject headings:
Harvard subject headings:
Breyner, Thomaz de Mello, Conde de Mafra, 1866-1933
Portugal--Politics and government--1900-1910
Princeton subject headings:
Breyner, Thomaz de Mello, Conde de Mafra, 1866-1933--Diaries.
Nobility--Portugal--Diaries.
Physicians--Portugal--Diaries.
Portugal--Politics and government--1900-1910.
Portugal--Politics and government--1910-1926.
Portugal--Politics and government--1926-1933.