Hailed as a masterpiece since its premiere, Dvorák's Stabat Mater reflects the personal grief that the composer experienced upon the deaths of his children while writing this piece. Based upon the traditional Latin text compiled by the 13th-century Franciscan Jacopone de Todi, it is among Dvorák’s most beautiful and touching scores.
Here's a sample of other books in this Dover category
Requiem in Full Score by Wolfgang Amadeus Mozart Composed shortly before Mozart's death, this masterpiece of vocal composition is among the most recorded and performed religious works in the repertoire. Authoritative edition published by Breitkopf & Härtel, Wiesbaden, n.d.
Requiem by Giuseppe Verdi Complete, unabridged C. F. Peters orchestral score of immensely popular, often recorded work. Called by some Verdi's greatest opera, "Requiem" is scored for 4 voices, chorus, and orchestra.
German Requiem in Full Score by Johannes Brahms Brahms' greatest, most ambitious vocal work is a masterpiece of choral music that is now one of the most performed and recorded works in the repertoire of religious music.