GERARD VICTORY: A CATALOGUE OF THE ORCHESTRAL MUSIC
1950: Ballet Suite "The Enchanted Garden"
1951/72:Elegy for orchestra: 7 minutes
1954: "An Old Woman of the Roads" for contralto and orchestra: 3 minutes
Piano Concerto No.1
1956: "Gaelic Galop" for orchestra: 3 minutes
1961: Symphony No.1: 22 minutes *
1963: "Improbable Prelude" for orchestra: 4 minutes
Five Mantras for string orchestra: 18 minutes
1964: "The River of Heaven" for soprano, tenor, chorus and orchestra: 17 minutes
1965: "Mirage" for Piano and Orchestra: 5 minutes
"Celine" for orchestra: 3 minutes
Ember Songs for voice and orchestra: 8 minutes
1966: "Favola di Notte" for orchestra: 13 minutes
"Voyelles" for soprano, flute, vibraphone and strings: 13 minutes
1967: Prelude for orchestra: 3 minutes
1968: Four Tableaux for orchestra: 24 minutes
Accordion Concerto: 17 minutes
1969: "Miroirs" for small orchestra: 8 minutes
1970: "Jonathan Swift: a Symphonic Portrait" for orchestra: 31 minutes *
Overture "Cyrano de Bergerac": 7 minutes
1970/83:"The Magic Trumpet" for speaker and small orchestra: 15 minutes
1971: "The Spirit of Moliere" for orchestra: 17 minutes
Concerto for Harp and Chamber Orchestra: 17 minutes
"Chanson Rose" for egui-solo and orchestra
"Circe 1991" for contralto, baritone, bass, speaker, chorus and orchestra: 35 minutes
1972: "Tetragon" for Oboe and Small Orchestra: 17 minutes
Piano Concerto No.2: 27 minutes *
1973: Concert March "The Europeans" for orchestra
"From Renoir's Workshop" for orchestra: 18 minutes
1975: Olympic Festival Overture: 9 minutes *
Capriccio for Violin and Orchestra: 12 minutes
"An Evening for Three" for soprano, baritone, chorus and orchestra: 56 minutes
"Sailing to Byzantium" for mezzo-soprano and orchestra: 22 minutes *
1975-81:"Ultima Rerum" for soprano, mezzo-soprano, tenor, baritone, chorus and orchestra: 82 minutes + (Marco Polo cd)
1977: Symphony No.2 "Il Ricorso": 39 minutes
"Der Irische Husar" for strings
1978: Cello Concerto
1979: "Nine Variations on 'The Cravat'" for orchestra
1980: Three Irish Pictures for orchestra: 12 minutes + (Marco Polo cd)
"Vienna Derby" for band: 4 minutes
1981: "Six Epiphanies of the Author; a Symphonic Memorial to James Joyce" for orchestra: 30 minutes
"Fearless and Free" for band: 4 minutes
1982: Five Inventions for Violin and Strings: 14 minutes
"Trumpets and Toreros" for military band
1983: "Navan Rhapsody" for band: 8 minutes
1984: Symphony No.3: 40 minutes *
"Andromeda" for band
1985: "Tightrope" for band: 3 minutes
"Marche Bizarre" for band: 3 minutes
1986: Fantasy Overture "Monte Cristo" for orchestra: 9 minutes
1988: Symphony No.4: 21 minutes
Overture "Dubliners" for orchestra
1989: "The Rendezvous" for soprano, tenor, baritone and orchestra: 60 minutes
"St.James's Suite" for band: 10 minutes
1990: "Omos don Uachtaran" for orchestra: 9 minutes
1991: "Eblana: Symphonic Portrait of Dublin" for orchestra: 45 minutes
and
"The Blacksmith" for orchestra: 3 minutes
"The Broad and the Narrow Ways" for orchestra and optional voices: 26 minutes
"The Evening Star" for tenor, chorus and orchestra
It may be worth noting that the List of Compositions by Gerard Victory at the Contemporary Music Centre of Ireland's website is, surprisingly, incomplete.
The catalogue I have posted may therefore not be fully comprehensive :(