Prologue to sumter : the beginnings of the civil war from the John Brown raid to the surrender of fort sumter / Philip Van doren Stern

Benteng Willem I Ambarawa: Kajian bentuk dan fungsi tata ruang = Fort Willem I Ambarawa: Study of fort layout, shape and function

Gertrud von Le Fort

Benteng vredeburg dan keraton Yogyakarta pada abad xviii – xx: Rekonstruksi representasi dan relasi kuasa di Yogyakarta = The fort vredeburg and Yogyakarta palace in the xviii - xx century: Reconstruction of representations and power relations in Yogyakarta.

Osteotomi le fort I dalam bedah orthognatik