| Title | Composer | Grade | Arranger | Collection? | Publisher | Questions |
| Amsden's Celebrated | Amsden | 2 | Barnhouse | |||
| Bass Clef Sessions | Cearhart | 2 | Cassel | Collection | Shawnee | |
| Coloring Book--Two Tubas | McCurdy | 2 | TMC Publication | |||
| Two for the Tuba Masterpiece | Wadowick | 2 | Concert Music | |||
| Waltz of the Walrus | McCurdy | 2 | TMC Publication | |||
| 11 Mozart Duets for Bass Clef | Mozart | 3 | Powell | Collection | Shawnee | ? |
| 12 Duets for Tuba | McCurdy | 3 | TMC Publications | |||
| 12 Old English Songs for Bass Clef | Twinn | 3 | Collection | Augener LTD | ||
| 21 Distinctive Duets for ? | Jones | 3 | Sam Fox | ? | ||
| Canonic Etudes | Racusen | 3 | Collection | Shawnee | ||
| Five Duets for Baritone | Concone | 3 | Ostrander | Collection | Kendor | |
| Music for Two Tubas | De Jong | 3 | Elkan-Vogel | ? | ||
| One-Ba Two-Ba--Euphonium, Tuba | McCurdy | 3 | TMC Publications | |||
| Partita Piccolo Canonica | Israel | 3 | Tritone Press | |||
| Prelude and Fugue for Tuba | McCurdy | 3 | TMC Publications | |||
| Seven Tuba Duets | Presser | 3 | Collection | Tenato Press | ? | |
| Six for Two | Stouffer | 3 | ||||
| Sonata No. 1 (two tubas) | Israel | 3 | Tritone Press | |||
| Sonata No. 2 (two tubas) | Israel | 3 | Tritone Press | |||
| Suite for 2 Double Basses and ? | McKay | 3 | McGinnis & Marx | |||
| Two Impressions--two tubas | McCurdy | 3 | TMC Publications | |||
| 10 Jazz Duos and Solos | Hartzell | 4 | Collection | Shawnee | ||
| 11 Mozart Duets for Bass Clef | 4 | Powell | Collection | Shawnee | ||
| Brass Duo--Baritone & Tuba | Frackenpohl | 4 | King | |||
| Divertimente for Brass Duo | De Fillipi | 4 | King | |||
| Duo Concertante for Tuba | Uber | 4 | Kendor | |||
| Duo for Tubas | Goldman | 4 | Mercury | |||
| Eight Bagatelles for 2 Tubas | Luedeke | 4 | Collection | Tenuto | ||
| Sonata Da Chiesa for 2 Tubas & | Corelli | 4 | Morris | Ludwig | ? | |
| Two-Part Inventions for Tubas | Bach | 4 | Ostrander | Collection | Kendor | |
| 11 Duets for Tuba | Nelhybel | 3 | Collection | |||
| Wonderland Duets for 2 Tubas | Ledeke | 4 | Collection | Tenuto | ||