Columbia subject headings:
Harvard subject headings:
Gans, David ben Solomon, 1541-1613. Neḥmad ṿe-naʻim.
Jewish astronomy
Princeton subject headings:
Astronomy (Judaism)
Astronomy--Religious aspects--Judaism.
Gans, David ben Solomon, 1541-1613. Neḥmad ṿe-naʻim.
Judaism--Customs and practices.
Rosh Hodesh.