The more important of his compositions are: "Chants Liturgicals des Grandes FĂȘtes" (Paris, 1847); "Zemirot Yisrael", comprising psalms, hymns, and the complete liturgy, from the most remote times to the present day (ib.
1864); "Shire Qodesh", new collection of religious songs for use in Jewish worship (ib.
1864); "Aguddat Shirim", collection of religious and popular Hebrew songs, from the most ancient times to the present day (ib.
1874); "Shir ha-Shirim Asher li-Shelomoh" (ib.
1877), with an essay on the life and works of Solomon de Rossi.
The last-mentioned work is dedicated to Baron Edmond de Rothschild, who discovered a portion of the songs of Rossi and who encouraged Naumbourg in his efforts to revive the musical productions of the old master.