1. Add MS 23911 Reference (shelfmark): Add MS 23911 Title: "EXAALTABO te, Deus," Motett No. 3, in score; by William Horsley, Mus. Bac. Oxon. Begun 9 Jan. 1834. Paper. Quarto. Presented by Mrs. Elizabeth H. Horsley. Scope & Content: William Horsley, composer: Motetts and anthems: 1797-1837. Collection Area: Music Collections Languages: English Date Range: 9 Jan 1834 Extent: 1 item