sentences:  These were themes that were also discussed by Multatuli in his "Max Havelaar".Van Hoëvell's efforts to abolish slavery, especially his 1854 book "Slaves and free people under Dutch law", are credited with having hastened the emancipation of Dutch-owned slaves in the East Indies in 1859 and in the West Indies in 1863.The book is included in the Canon of Dutch Literature.