Columbia subject headings:
Catholic Church--Doctrines--Early works to 1800.
Church renewal--Catholic Church--Early works to 1800.
Council of Basel (1431-1449 : Basel, Switzerland)
Wycliffe, John, -1384.
Harvard subject headings:
Church renewal.
Council of Basel (1431-1449 : Basel, Switzerland)
Gratius, Ortuin, 1491-1542.
Princeton subject headings: