Columbia subject headings:
Harvard subject headings:
Ecology--Research--Río de la Plata (Viceroyalty)--History--18th century.
Jesuits--Río de la Plata (Viceroyalty)--Occupations--History--18th century.
Natural history--Río de la Plata (Viceroyalty)--History--18th century.
Naturalists--Río de la Plata (Viceroyalty)--History--18th century.
Sánchez Labrador, José, 1717-1799?--Written works.
Princeton subject headings:
Botanical literature--Paraguay.
Botany, Medical--Paraguay.
Catholic Church--Missions--Paraguay.
Jesuits--Missions--Paraguay.
Sánchez Labrador, José, 1717-1798.
Zoology--Paraguay.