A rarity in piano literature, Opera Favorites for Piano Four Hands gives piano duos of intermediate and advanced skills the opportunity to recapture some of opera's best moments. Selections include Aïda's "Triumphal March"; the Carmen "Overture"; Don Giovanni's "Serenade"; from Faust, "Love Song," "Soldiers' March," and "Waltz"; plus many more. Unabridged republication of Operatic Four Hand Album originally published by Theodore Presser, 1905.
Here's a sample of other books in this Dover category
Four-Hand Piano Music by Nineteenth-Century Masters by Morey Ritt Includes Bizet's Jeux d'enfants, Mendelssohn's Andante and Variations, Op. 83a, Schumann's Bilder aus Osten, Op. 66. Large, easy-to-read playing edition. Glossary, notes, bibliography. Study score.
Selected Piano Works for Four Hands by Franz Schubert Contains 15 of Schubert's best-loved, most popular four-hand compositions, including Three Military Marches, Sonata in C Major, Variations in A-flat Major on an Original Theme, Andantino Varie in B Minor on French Motifs, more.
Complete Piano Works for Four Hands by Johannes Brahms Definitive Vienna Gesellschaft der Musikfrende edition contains 81 works, including Variations on a Theme by Schumann, Waltzes, Liebeslieder and Neue Liebeslieder Waltzes, and Hungarian Dances, Nos. 1-21.