Keywords
- Arithmetic9
- Astronomy, Arab8
- Manuals (instructional materials)8
- Manuscripts, Persian8
- Rites and ceremonies7
- Astrology6
- New York (State)--New York6
- drawings (visual works)6
- Hindu mathematics5
- Manuscripts, Medieval5
- scientific illustrations (images)5
- Astrolabes4
- Astrology, Arab4
- Autographs4
- History4
- Manuscripts, Latin4
- Stamps4
- watermarks4
- Astronomical instruments3
- Astronomy, Arab--Tables3