Sefer Me'or Ḥadash
Subtitle: kolel sidrei tekhunah lemahalkhei me'orot harakia veinyanei sod ha-ibur...
By: asher lakateti veasafti veḥidashti ani hatsair Meir Ḥanokh ben Pesaḥ Ysheiewitsh.
Published: 1902
Place of publication: Warsaw
Language: heb
Notes: On definition of Hebrew Calendar.