"The Waning of the Middle Ages" is a historical analysis of the cultural life of the late Middle Ages, particularly in France and the Low Countries, during the 14th and 15th centuries. It delves into the period's modes of thought, forms of expression, religious beliefs, and social norms. The book argues that the era was characterized by a highly stylized and overwrought civilization, marked by an excessive emphasis on chivalry and courtly love, a religious mindset dominated by the fear of death and the afterlife, and a cultural milieu that was both highly imaginative and deeply pessimistic.

Set in the 17th century during the Covenanting Rebellion in Scotland, the novel weaves a tale of adventure, romance, and political intrigue around the historical events of the time. The story follows the young hero, Henry Morton, who is caught between his loyalty to the Presbyterian Covenanters and his love for Edith Bellenden, a Royalist. As Morton becomes embroiled in the conflict, he must navigate a path through the tumultuous civil war, facing moral dilemmas and the consequences of his choices. The narrative also explores themes of honor, tradition, and the impact of history on individual lives, all while providing a rich portrayal of Scottish culture and the complexities of religious and political loyalties.

"Max Havelaar" is a novel centered around a Dutch civil servant who is stationed in the Dutch East Indies (now Indonesia) during the mid-19th century. The protagonist, trying to battle the corruption and exploitation of the local people by Dutch colonial rulers, becomes disillusioned with the system. The novel provides a scathing critique of the colonial regime's treatment of the indigenous people, highlighting their suffering and exploitation. The author uses various narrative techniques and perspectives, making it a significant work in Dutch literature.

"The Missionary Movement in Christian History" explores the significant role of missionary activities in the spread and development of Christianity throughout history. The book examines how cultural exchanges influenced the practice and perception of Christianity in various contexts, highlighting the adaptability and transformation of Christian faith as it intersected with diverse cultures around the world. The author discusses the implications of these interactions for both the missionary movement and the broader historical and cultural developments, providing insights into the dynamic relationship between religion and cultural change.