- Swedish Classical Trombonists: Gustav Holst, Christian Lindberg, Jonas Bylund 
 - Gustav Holst. 1874 - 1934. A Guide to his Centenary. by Imogen [Ed] Holst,  1930
 - Gustav Holst: Collected Facsimile Edition of Autograph Manuscripts of the Published Works: I. Chamber Operas: i. Savitri, Opus 25; ii. The Wandering Scholar, Opus 50 by Imogen Holst,  2003-11-01
 - Swedish Nobility: Carl Linnaeus, Gustav Holst, Axel Oxenstierna, Earl, Carl Bildt, Verner Von Heidenstam, Folke Bernadotte, Birger Jarl 
 - Swedish Trombonists: Swedish Classical Trombonists, Gustav Holst, Christian Lindberg, Jonas Bylund, Ole Holmquist 
 - Gustav Holst, Fugal Overture / Sir Arnold Bax, November Woods / E.J.Moeran, Sinfonietta - Vinyl LP by Gustav Holst / Sir Arnold Bax / E.J.Moeran,  1965
 - Heirs and rebels;: Letters written to each other and occasional writings on music, by Ralph Vaughan Williams and Gustav Holst by Ralph Vaughan Williams,  1959
 - English Classical Trombonists: Gustav Holst, Byron Fulcher, Lindsay Shilling, Lance Green 
 - English Trombonists: English Classical Trombonists, Gustav Holst, Don Lang, Roy Crimmins, Byron Fulcher, Andy Cato, Lindsay Shilling 
 - Swedish Classical Musicians: Swedish Classical Guitarists, Swedish Composers, Swedish Conductors, Swedish Opera Singers, Gustav Holst 
 - English Vegetarians: Samuel Richardson, Ian Mckellen, Jane Goodall, Aldous Huxley, John Cleese, Sting, Ringo Starr, Gustav Holst, Kate Bush 
 - Gustav Holst A Biography by Imogen Holst,  1958
 - On This Day Earth Shall Ring Concert Band: Holst Winter Suite, Mvt. I, in Tribute to Gustav Theodore Holst Dedicated to the Memory of Mrs. Alta Sue Hawkins (Belwin Concert Band) 
 - First Choral Symphony : Opus 41 / Gustav Holst ; edited by Imogen Holst and Colin Matthews by Gustav (1874-1934) Holst,  1983
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