Columbia subject headings:
Descartes, René, 1596-1650. Regulae ad directionem ingenii.
Dialectic--History.
Ramus, Petrus, 1515-1572--Influence.
Ramus, Petrus, 1515-1572. Dialectique.
Harvard subject headings:
Descartes, René, 1596-1650. Regulae ad directionem ingenii.
Dialectic--History.
Ramus, Petrus, 1515-1572--Influence.
Ramus, Petrus, 1515-1572. Dialectique.
Princeton subject headings:
Descartes, René, 1595-1650--Sources.
Descartes, René, 1596-1650. Regulae ad directionem ingenii.
Dialectic--History--16th century.
Dialectic--History--17th century.
Ramus, Petrus, 1515-1572--Influence.
Ramus, Petrus, 1515-1572. Dialectique.