4 (1986)*"Enchanted Prelude" for flute and cello (1988)*"Con leggerezza pensosa" for clarinet, violin, and cello (1990)*Quintet for piano and winds (1991)*"Trilogy" for oboe and harp (1992):#"Bariolage" for harp:#"Inner Song" for oboe:#"Immer Neu" for oboe and harp*"Esprit rude/esprit doux II" for flute, clarinet, and marimba (1994)*"Fragment I" for string quartet (1994)*String Quartet No.5 (1995)*"Luimen" for ensemble (1997)*Quintet for piano and string quartet (1997)*"Fragment II" for string quartet (1999)*Oboe Quartet, for oboe, violin, viola, and cello (2001)*"Hiyoku" for two clarinets (2001)*"Au Quai" for bassoon and viola (2002)*"Call" for two trumpets and horn (2003)*Clarinet Quintet (2007)*"Tintinnabulation" for percussion sextet (2008)*"Tre Duetti" for violin and cello (2008, 2009):#"Duettone":#"Adagio":#"Duettino"*"Nine by Five" for wind quintet (2009)*"Trije glasbeniki" for flute, bass clarinet, and harp (2011)*"String Trio" (2011)*"Double Trio" for trumpet, trombone, percussion, piano, violin and cello (2011)*"Rigmarole" for cello and bass clarinet (2011)*"Epigrams" for violin, cello, and piano (2012)===Voice===*"My Love Is in a Light Attire" for voice and piano (1928)*"Tell Me Where Is Fancy Bred" for voice and guitar (1938)*"A Mirror on Which to Dwell" for soprano and ensemble (1975)*"Syringa" for mezzo-soprano, bass-baritone, guitar, and ensemble (1978)*"Three Poems of Robert Frost" for baritone and ensemble (1942, orchestrated 1980)*"In Sleep, in Thunder" for tenor and ensemble (1981)*"Of Challenge and of Love" for soprano and piano (1994)*"Tempo e Tempi" for soprano, oboe, clarinet, violin, and cello (1998–99)*"Of Rewaking" for mezzo-soprano and orchestra (2002)*"In the Distances of Sleep" for mezzo-soprano and chamber orchestra (2006)*"Mad Regales" for six solo voices (2007)*"La Musique" for solo voice (2007)*"Poems of Louis Zukofsky" (2008) for mezzo-soprano and clarinet*"On Conversing with Paradise" (2008) for baritone and chamber orchestra*"What Are Years" (2009) for soprano and chamber orchestra*"A Sunbeam's Architecture" (2010) for tenor and chamber orchestra*"Three Explorations" (2011) for bass-baritone, winds, and brass===Piano===*Piano Sonata (1945–46)*"Night Fantasies" (1980)*"90+" (1994)*"Two Diversions" (1999)*"Retrouvailles" (2000)*"Two Thoughts about the Piano" (2005–06):#"Intermittences":#"Caténaires"*"Tri-Tribute" (2007–08):#"Sistribute":#"Fratribute":#"Matribute"===Solo instrumental===*"Eight Pieces for Four Timpani" (1949/66)*"Changes" for guitar (1983)*"Scrivo in Vento" for flute (1991)*"Gra" for clarinet, also version for trombone (1994)*"Figment" for cello (1994)*"A 6-letter Letter" for English horn (1996)*"Shard" for guitar (1997)*"Four Lauds" for solo violin (1999, 1984, 2000, 1999)#"I.
Унгаретти и С. Квазимодо)* Two Diversions for Piano (1999)* Four Lauds for Solo Violin (1999, 1984, 2000, 1999)* ASKO Concerto (2000)* Oboe Quartet (2001)* Cello Concerto (2001)* Of Rewaking for mezzo-soprano and orchestra (2002, на стихи У. К. Уильямса)* Boston Concerto (2002)* Au Quai для фагота и альта (2002)* Dialogues for Piano and Orchestra (2003)* Three Illusions for Orchestra (in three parts: Micomicón, Fons Juventatis and More’s Utopia) (2002—2004)* Mosaic for Harp and Ensemble (2004)* Réflexions for Ensemble (2004)* Soundings for Piano and Orchestra (2005)* Intermittences for Piano (2005)* Catenaires for Piano (2006)* In the Distances of Sleep для голоса и ансамбля (2006)* Horn concerto (2007)* Interventions for piano and orchestra (2007)* Figment IV для альта соло (2007)* Clarinet Quintet (2007)* Flute Concerto (2008)* Poems of Louis Zukofsky для меццо-сопрано и кларнета (2008)* On Conversing with Paradise для баритона и камерного оркестра (2008)* Due Duetti for Violin and Cello (2008-2009)* Figment V for marimba (2009)* Conversations for piano, percussion, and chamber/full orchestra (2010)* A Sunbeam’s Architecture for tenor and chamber orchestra (2010)* Three Explorations for bass-baritone, winds, and brass (2011)* String Trio (2011)* Double Trio for trumpet, trombone, percussion, piano, violin and cello (2011)* Rigmarole for cello and bass clarinet (2011)* Mnemosyné for violin (2011)* Dialogues II for piano and chamber orchestra (2012)* Instances for chamber orchestra (2012)* 12 Short Epigrams for piano (2012)* Пулитцеровская премия — за струнные квартеты (1960, 1973),* Премия Эрнста Сименса (1981),* Национальная медаль США в области искусств (1985),* член Американской Академии искусства и литературы (1967).