Farys, symphonic poem (1924)
Scherzo for orchestra (1925)
Little Suite for string quartet (1926)
Sonatina for Piano (1927)
String Quartet No. 1 (1928)
Blues symphonique, jazz fantasy for orchestra and saxophone (1928)
Quintet for Wind Instruments (1929)
Sonata Concertante for violin and piano (1929)
String Quartet No. 2 (1932)
Sonate pour violoncelle et piano (1932)
Trois pièces de concert for cello and piano (1933)
Polish Suite [1st version] for violin and piano (1935)
Sinfonietta for string orchestra (1936)
Polish Suite [2nd version] for orchestra (1936)
Five Songs to Julian Tuwim's Poems for voice and piano (No. 1, 2, 3) (1936-38)
L’enfant qui avait volé une montre for voice and piano (1938)
Polish Echoes, 8 songs for male or mixed choir (1939)
From Dusks and Dawns, 20 popular songs for voice and piano (1939-46)
String Quartet No. 3 „on Polish Folk Themes” (1945)
From our Feuds, folk songs and dances for orchestra (1945)
Passacaille (Vocalise) [1st version] for cello and piano (1946)
Passacaille (Vocalise) [2nd version] for voice and orchestra (1946)
Silesian Carol for voice and piano (1946)
Huit chantes populaires juifs for voice and piano (1947)
Sonate brève for harpsichord (1947)
Ballad „Hommage à Chopin” for piano (1949)
Homeless for voice and piano (1949)
Polały się łzy me for voice and piano (1949)
Od strzechy do strzechy, folk melodies for small ensemble (1950)
Poem for violin and orchestra (1954)
Trois poèmes chantés pour voix élevée et piano (1960)
Petite suite légère for orchestra (1960)
The Elegy of Jewish Villages for voice and piano (1961)
La rue for voice and piano (1961)
Five Songs to Julian Tuwim's Poems for voice and piano (No. 4, 5) (1961-62)
String Quartet No. 4 (1962)
Prośba o piosenkę for voice and piano (1962)
Funeral for voice and piano (1962)
Rain for voice and piano (1962)
String Quartet No. 5 (1963)
Portrait de l’oiseau-qui-n’existe-pas pour chant et piano (1964)
Concerto da camera for piano, 9 wind instruments and percussion (1964)
Symphony for string orchestra (1964)
Dialogue for 2 cellos (1964)
Concertino for reed trio (1965)
Suite dans le goût ancien for piano (1966)
Divertimento [1st version] for flute, violin, cello and piano (1966)
Divertimento [2nd version] for violin, clarinet, bassoon and piano (1966)
L’hirondelle inattendue, opera buffa in one act (1966)
Suita concertante per trombone e pianoforte (1967)
Piano Quintet (1967)
Four Songs to words by Tadeusz Śliwiak for voice and piano (1967)
Chorale for 4 trombones (1973)
Kisses for voice and piano (1974)
La chanson de l’héritier for voice and piano (ca 1939)
Angels’s Faces for voice and piano (ca 1940)
Old French Ballad for voice and piano (ca 1940)
Dyzio the Dreamer for voice and piano (ca 1940)
Three Warsaw Polonaises [1st version] for chamber orchestra (ca 1944)
About Grześ Liar, melorecitation for voice and piano (ca 1949)
Prélude for piano (ca 1950)
Staruszkowie for voice and piano (ca 1963)
Rozmowa z Szymonem Laksem, „Ruch Muzyczny” 1964 nr 21, s. 15-16
Poniatowska Irena, Laks – Szymulska. Przystanek do dziejów przyjaźni artystycznej (1), „Ruch Muzyczny” 1985 nr 9, s. 3-4
Poniatowska Irena, Laks – Szymulska. Przystanek do dziejów przyjaźni artystycznej (2), „Ruch Muzyczny” 1985 nr 10, s. 19-20
Bilica Krzysztof, Muzyka w obozie według Szymona Laksa i innych, Związek Kompozytorów Polskich, Warszawa 1989
Nowak Anna, Powojenne pieśni Szymona Laksa. Motywacje – idee – tradycje, Związek Kompozytorów Polskich, Warszawa 1989
McCoy Molly Jane, Szymon Laks – 3 pieśni do wierszy Juliana Tuwima („Przymierze”, „Staruszkowie”, „Erratum”), Związek Kompozytorów Polskich, Warszawa 1989
Helman Zofia, Laks Szymon, PWM, Kraków 1997
