Authored

The library of the University of Pennsylvania, Philadelphia, PA, has published online a provisional catalogue of about 400 manuscripts of scientific interest in Latin, Arabic and other languages from the private collection of Lawrence J. Schoenberg, Longboat Key, Florida. In 2001 I had the...
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  This short article is taken from the full article (by Prof. Paul Kunitzsch) which is available here as 12 page PDF file Figure 1. A moon and sun figure of an Almanac. Topkapi Palace Museum, R 1711. With the spreading of Islam through the...
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