Columbia subject headings:
Mary, Blessed Virgin, Saint--Religion--Early works to 1800.
Mnemonics.
Salvation--Early works to 1800.
Speculum humanae salvationis--Authorship.
Speculum humanae salvationis.
Typology (Theology)--Early works to 1800.
Harvard subject headings:
Salvation--Early works to 1800
Speculum humanae salvationis.
Princeton subject headings:
Mary, Blessed Virgin, Saint--Theology.
Salvation.
Speculum humanae salvationis.