הלל
סדר הלל
https://he.wikisource.org/wiki/%D7%A1%D7%93%D7%A8_%D7%94%D7%9C%D7%9C
https://he.wikisource.org/wiki/%D7%94%D7%9C%D7%9C_%D7%A9%D7%9C%D7%9D
תהילים פרק קיח
https://www.mechon-mamre.org/i/t/t26b8.htm
http://www.daat.ac.il/daat/sidurim/mizrah/hol/rosh.htm
https://he.wikipedia.org/wiki/%D7%A7%D7%A8%D7%99%D7%90%D7%AA_%D7%94%D7%94%D7%9C%D7%9C
http://mobile.tora.ws/html/2220219-0.html