Causa Causarum: C. Kayser, Das Buch von der Erkenntniss der Wahrheit, oder, Der Ursache aller Ursachen, Leipzig 1889; cited by page and line number; as prepared for the Digital Syriac Corpus project with corrections by CAL staff.
The atmosphere: precipitation, winds, and other effects of the vapors; pp. 227-231: Of the atmosphere: the effects of its vapors: precipitation, winds, earthquakes