It is not known for certain who authored the Haggadah.
The Haggadah contains the service for the seder.
Moses is never directly mentioned in the Haggadah.
Eugen Verber has written: 'The Sarajevo Haggadah' -- subject(s): Haggadah, Illustrations, Jewish Illumination of books and manuscripts, Sarajevo Haggadah
haggadah
Seder
Mordekhai Elon has written: 'The Tekhelet Mordekhai Haggadah' -- subject(s): Haggadah, Judaism, Liturgy, Seder
Yes.
The Haggadah.
Chaim Miller has written: 'Haggadah =' -- subject(s): Liturgy, Judaism, Texts, Seder, Teachings, Haggadot, Haggadah
A Haggadah is a book that contains the religious ceremony for the first night of Passover (outside of Israel the ceremony is held on the first 2 nights of Passover).
Haggadah