| Code | Title | Time | Year | City, Country | Price | Instrument |
| 4.01 | Briga Dialética dos Estilos | 3’00 | 16-06-1984 | Baden-Baden, Germany | €30.00 | flute, viola, guitar |
| 4.02 | Drei Klarinette Spielen Fleissig | 7’00 | 20-09-1975 | Schriesheim, Germany | €30.00 | 3 clarinets |
| 4.03 | Improviso a 3 | 8’00 | 1983/10-1985 | Heidelberg, Germany / -, - | €30.00 | flute, viola, guitar |
| 4.04 | Peça | 22-06-1960 | London, United Kingdom | €30.00 | 2 recorders with piano, or violoncello or double bass | |
| 4.05 | Sonatina a 3 | 6’00 | 04-09-1942 | Rio de Janeiro, Brazil | €30.00 | flute, viola, violoncello |
| 4.06 | Transições para um encontro de três fantasias obs: work ordered by the Trio de Palhetas da UnB to be played during the performance of the Fantasias Sul América for clarinet solo 2.01; oboe 2.08 and bassoon 2.05, (between each other) |
2’00 | 23-10-1984 | €30.00 | clarinet, oboe, bassoon | |
| 4.07 | Trio obs: only 1st movement |
10’00 | 30-05-1940 | €30.00 new edition! |
clarinet, oboe, bassoon | |
| 4.08 | Trio 1 Allegro 2 Andante 3 Allegro |
10’00 | 08-01-1946 | Fazenda Rio do Braço, SP | €30.00 | clarinet, trumpet, violoncello |
| 4.09 | Trio 1 Allegro 2 Lento 3 Allegro |
10’00 | 1946/01-1977 | -, - /Schriesheim, Germany | €30.00 | flute, clarinet, bassoon |
| 4.10 | Trio 1 Allegro gracioso-lento-allegro 2 Muito lento-vivo burlesco-muito vivo 3 Allegre variando-pequeno presto final |
15’00 | 21-01-1942 | Fazenda Rio do Braço, SP | €30.00 | violin, viola, violoncello |
| 4.11 | Trio obs: commissioned by the Stuttgarter Piano Trio |
6’00 | 14-03-1973 | Schriesheim, Germany | €30.00 | violin, violoncello, piano |
| 4.12 | Trio | €30.00 | flute, bassoon, violoncello |