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Start Over You searched for: Holding Institution Princeton University ✖ Remove constraint Holding Institution: Princeton University Title Qawl ʻalá al-Shiʻrá al-Yamānīyah ... [etc ✖ Remove constraint Title: Qawl ʻalá al-Shiʻrá al-Yamānīyah ... [etc Keywords Astronomical instruments ✖ Remove constraint Keywords: Astronomical instruments