Series 1. Songs for voice and piano. 1917-1938.
American Indian “Dreamer Songs”, Op. 95. undated.
Atonement (Sacred Song for Soprano), Op. 7. undated.
Berceuse, Op. 29, No. 2. undated.
The Cost: A Postwar Ballad, Op.58. undated.
Cry Heart, Cry!, Op. 103. undated.
Forest Fables, Op. 82. 1932-1934.
Hiawatha’s Wooing, Op. 115. undated.
In the Forest, Op. 60. 1926-1927.
A Legend of Monadnock Mountain, Op. 56, No. 3. 1928-1929.
A Love Song, Op.36, No.2. undated.
Melodic Moods of the Mountains, Op.69/76. undated.
Message of the Bells, Op. 38. 1917.
Moloch, Op. 74. 1929-1930.
Mother, I Am Near to Thee, Op. 76. undated.
Music from a Jade Flute, Op. 92. circa 1934.
Nocturne of Night, Op. 114. undated.
Op.33
No.1: Evening
No.2: She Walks in Beauty.
undated.
Op.41
No.1: The Meadowlark
No.2: In My Dreams
Unnumbered: Laddie.
undated.
Op.43
No.1: Liberty, the Right of All!
No.2: Celebration of Victory.
1918.
Op.73
No.1: In the Light of the Dawn
No.2: The Little Green God
No.3: Song Celestial.
1928.
Op. 83
No.1: A Nature Soliloquy
No.2: The White Warrior.
undated.
Op.105
No.1: Raindrop Melodies
No.6: Dreamy Lake
Unnumbered: Indian Cradle Song.
1938.
Saul, Op. 14. undated.
Sea Chanty, Op. 89. undated.
She Walks in Beauty (A Reverie), Op. 33/39. undated.
Six Children's Songs, Op. 65. undated.
Skylines and Silences, Op. 59. undated.
Songs for High Voice, Op.86
No.1: Awakening
No.2: Irish Poetry.
undated.
Songs for Soprano, Op. 61. 1932.
A Song from the West, Op. 34, No. 2. undated.
Springtime Songs, Op. 70. undated.
A Star Song, Op. 85. undated.
Two Duets for Soprano and Tenor, Op. 98. undated.
Two Poems, Op. 42. 1927.
Two Scriptural Songs, Op. 40. circa 1924.
When the Sun Goes Low, Op.87. undated.
Inverness, Op. 102. undated.
Op. 35
No. 1: Sunset
No.2: The Dawn.
1932.
Op.112
No.1: A Swiss Lullaby
No.2: A Song of Holland
No.3: Our Colors Triumphant.
undated.
Robe of a King, Op. 101. undated.
The Wreath, Op. 98. 1931-1932.
Series 3. Orchestral music. circa 1930-1945.
The Cloud (Symphonic Poem), Op. 30. undated.
The Desert Calls, Op. 79. circa 1930.
In A Mission Garden, Op. 52. undated.
Indian Woodland Idyll, Op. 99. 1937.
Letter from the Southland, Op. 51. undated.
Message of the Bells, Op. 38. undated.
Moonlit Trails, Op. 47. undated.
Nevertheless- Old Glory, Op. 78. circa 1930.
Prince Su Ming Wang (Chinese Symphonic Suite), Op. 96. 1937-1944.
Saul, Op. 49. undated.
Songs of a Loved Shepherd, Symphonic Suite in Four Movements, Op. 49. undated.
Symphony (Pastoral) Suite in Three Movements, Op. 26. undated.
Tahquitz, The Desert Play of Palm Springs, Op. 80. undated.
Twilight Silhouettes, Op. 104. undated.
A Western Saga, Op. 117. 1945.
Series 4. Music for piano. 1898-1944.
Ballade, Op. 71. undated.
Concert Etude, Op. 77. undated.
Die Jagd, Op. 16. undated.
Eight Descriptive Pieces, Op. 20. 1917.
Etude in A Flat Major, Op. 5. undated.
Fantasie, Op.15. undated.
From Mountain Muses, Op. 45. undated.
From the Chinese, Op. 93. 1944.
From the Far West (Two Indian Impressions), Op. 81. undated.
Hillcrest Poems, Op. 55. undated.
Jack and the Beanstalk, Op. 57. undated.
Kleine Suite, Op. 1. undated.
A Medieval Minstrelsy, Op. 90 (organ music). undated.
Melodious Pieces for Children, Op. 109. 1939.
Melodic Poems of the Mountains, Op. 44. circa 1920.
Minuet, Op. 3. undated.
Moonsprites, Op. 111. undated.
Mystical Pathways, Op. 113. 1941.
Nocturne, Op. 10. undated.
Op.107. undated.
A Promethean Conqueror, Op. 31. circa 1914.
A Scene from Hungary, Op. 13. undated.
Seven Preludes for Piano, Op. 110. undated.
Six Preludes, Op. 8. 1908.
Sonata in B minor, Op. 27. undated.
A Sonata of the West, Op. 84. undated.
A Song from Robin’s Wold, Op. 72. undated.
A Song of Life (Fantasy Sonata for Piano), Op. 108. undated.
Songs of the Seven Hills, Op. 65. circa 1927.
A Story from Dreamland, Op. 97 (organ music). circa 1935.
The Story of Cinderella, Op. 63. undated.
The Story of Sleeping Beauty, Op. 64. undated.
Story of the Cradle (Sleeping Babe Slumber Song), Op. 9. undated.
Suite for Piano, Op. 91
No.1: Forest Fables
No.4: Vista San Giorgino.
undated.
Twelve Variations for Piano, Op. 12. undated.
Zwei Stucke, Op. 2. undated.
Notebooks/ various. 1898-1899.
Six Violin Solos, Op.53. undated.
String Quartette in F Major (Mountain Idyll), Op. 50. undated.
Trio in D minor for Violin, Cello and Piano, Op. 118. undated.
Series 6. Personal material. 1881-1961.
Correspondence. 1936-1937.
Photographs. 1881-1942.
Writing. undated.
Concert programs: performances by Dillon or of Dillon's works. 1934-1939.
Concert programs: performances by Dillon's students. 1934-1937.
Concert programs: performances by others. 1935-1938.
Concert programs: Federal Music Project. circa 1936.
MacDowell Colony materials. 1932-1937.
Biographical material. undated.
Clippings. 1908-1938.
Receipts, brochures, and catalogs. 1934-1961.
Series 7. Early, unnumbered, and research material. 1892-1940s.
Unnumbered manuscripts: A-L. 1898-1938.
Unnumbered manuscripts: M-Z. 1898-1938.
"Unfinished songs": untitled sketches. undated.
Early compositions by Dillon. 1892-1896.
Compositions by students. 1930s.