Columbia subject headings:
Harvard subject headings:
Franciscans--Missions--Peru--Ucayali River Valley.
Indians of South America--Missions--Peru--Ucayali River Valley.
Ucayali River Valley (Peru)--History--Sources.
Princeton subject headings:
Biedma, Manuel, -1687.
Franciscans--Peru--History--17th century--Sources.
Indians of South America--Missions--Peru.
Missions--Peru--History--17th century--Sources.
Ucayali River Valley (Peru)--History.