Two Iranian World Maps for Finding the Direction and Distance to Mecca. Imago Mundi. The International Journal for the History of Cartography, (49):62-82, 1997. [PUMA: - Direction Distance Distanz Iran Iranian Karten Maps Mecca Mekka Reisen Richtung Weltkarten World]
Medieval world maps: embedded images, interpretive frames. World & Image. A journal of verbal visual enquiry, (10)3:262-288, 1994. [PUMA: Bilder Herrschaft Kartographie Maps Medieval Weltkarten World]
The Rediscovery of Two Lost Sixteenth-Century World Maps. Imago Mundi. The International Journal for the History of Cartography, (50):158-162, 1998. [PUMA: 16.Jahrhundert Herrschaft Kartographie Maps Rediscovery Weltkarten Wiederentdeckung World]