Prace Christofforo Suriano: resident van de Serenissime Republiek van Venetië in Den Haag, 1616-1623, 1913. Willem IV en Engeland tot 1748, 1924. De Groot-Nederlandsche gedachte, 1925. De geschiedenis van de Nederlandsche Stam, 3 volumes, 1930-1959: translated into English as The Revolt of the Netherlands, 1555-1609 and The Netherlands in the Seventeenth Century. Revolutiedagen te Amsterdam, Augustus-September 1748, 1936. Patriotten en NSBers, 1946. The Revolt of the Netherlands, 1555-1609, New York: Barnes & Noble, 1966. The Netherlands in the Seventeenth Century, 2 volumes, New York: Barnes & Noble, 1961-1964. Oranje en Stuart, 1641-72, 1939: translated by A. Pomerans into English as Orange and Stuart, 1641-72, New York: Scribner, 1970. Napoleon: voor en tegen in de Franse geschiedschrijving, 1946: translated by O. Renier into English as Napoleon, For and Against, New Haven, CT;