- "De grønne årene:En samling av dikt" (1919)
- "The Burning Bush:A Volume of Verse" (1920)
- "Vinden og regnet:En bok med vers" (1922)
- "Gascoyne:A Tragedy in Five Acts" (1924)
- "The Song of the Lark:A Narrative Poem" (1926)
- "The Hill of Dreams:A Book of Poems" (1928)
- "The Path to the Stars:A Tale of Love and Adventure" (1930)
- "The City of Dreams:A Novel of Modern Life" (1932)
- "The Sword and the Cross:A Historical Romance" (1934)
- "The Pilgrim's Progress:A Modern Adaptation of Bunyan's Classic" (1936)
- "The Life and Adventures of Robinson Crusoe:A Modernized Version of Defoe's Novel" (1938)
- "Gulliver's Travels:A Modernized Version of Swift's Satire" (1940)
- "Don Quixote:A Modernized Adaptation of Cervantes' Classic" (1942)
- "Alice in Wonderland and Through the Looking Glass:A Modernized Adaptation of Carroll's Fantasies" (1944)
- "The Jungle Book:A Modernized Version of Kiplings Animal Stories" (1946)
- "The Wind in the Willows:A Modernized Adaptation of Grahame's Children's Classic" (1948)
- "Huckleberry Finn:En modernisert versjon av Twains amerikanske eventyr" (1950)
- "Treasure Island:A Modernized Adaptation of Stevenson's Pirate Tale" (1952)
- "Kidnapped:A Modernized Version of Stevenson's Scottish Adventure" (1954)
- "The Call of the Wild:A Modernized Adaptation of Londons Wilderness Classic" (1956)
- "White Fang:A Modernized Version of London's Animal Adventure" (1958)
- "The Sea-Wolf:A Modernized Adaptation of London's Seafaring Tale" (1960)
- "The House of Seven Gables:A Modernized Version of Hawthorne's Gothic Novel" (1962)
- "The Scarlet Letter:A Modernized Adaptation of Hawthorne's Puritan Romance" (1964)
- "The Blithedale Romance:A Modernized Version of Hawthorne's Utopian Novel" (1966)
- "Marmorfaunen:En modernisert tilpasning av Hawthornes italienske romantikk" (1968)
- "The Adventures of Huckleberry Finn:A Modernized Adaptation of Twain's American Classic" (1970)
- "The Prince and the Pauper:A Modernized Version of Twain's Historical Romance" (1972)
- "A Connecticut Yankee in King Arthur's Court:A Modernized Adaptation of Twain's Time-Travel Adventure" (1974)
- "The Innocents Abroad:A Modernized Version of Twain's Travelogue" (1976)
- "The Gilded Age:A Modernized Adaptation of Twain and Warners Satirical Novel" (1978)
- "Tom Sawyer, Detective:A Modernized Version of Twain's Boyhood Adventure" (1980)
- "Pudd'nhead Wilson:A Modernized Adaptation of Twain's Burlesque Novel" (1982)
- "The American Claimant:A Modernized Adaptation of Twains humoristiske roman" (1984)
- "Tom Sawyer Abroad:A Modernized Version of Twain's Sequel to Tom Sawyer" (1986)
- "The Tragedy of Pudd'nhead Wilson:A Modernized Adaptation of Twain's Serious Play" (1988)
- "The Man That Corrupted Hadleyburg:A Modernized Version of Twain's Satirical Story" (1990)
- "The Mysterious Stranger:A Modernized Adaptation of Twain's Philosophical Novella" (1992)
- "The Adventures of Tom Sawyer:A Modernized Adaptation of Twain's American Classic" (1994)
Diktsamlinger:
- «Songs of Youth» (1907)
- "Lyrics of Love and Life" (1910)
- "Drømmer og visjoner" (1912)
- "The Divine Fire:A Collection of Sonnets" (1914)
- "The Call of the Sea:A Book of Vers" (1916)
- "The Mystic Rose:A Collection of Poems" (1918)
- "Livets harpe:En bok med vers" (1921)
- "The Garden of Eden:A Narrative Poem" (1923)
- "The Voice of the Soul:A Collection of Poems" (1925)
- "The Gates of Paradise:A Book of Verse" (1927)
- "The Flame of Desire:A Narrative Poem" (1929)
- "The Vision of God:A Collection of Poems" (1931)
- "Kjærlighetens tempel:En bok med vers" (1933)
- "The Song of Salomon:A Narrative Poem" (1935)
- "Jobs bok:En moderne tilpasning i vers" (1937)
- "The Psalms of David:A Modern Adaptation in Verse" (1939)
- "The Book of Ecclesiastes:A Modern Adaptation in Verse" (1941)
- "Ordspråksboken:En moderne tilpasning i vers" (1943)
- "The Song of Songs:A Modern Adaptation in Verse" (1945)
- "The Book of Ruth:A Modern Adaptation in Verse" (1947)
- "Esters bok:En moderne tilpasning i vers" (1949)
- "The Book of Jonah:A Modern Adaptation in Verse" (1951)
- "The Book of Daniel:A Modern Adaptation in Verse" (1953)
- "Åpenbaringens bok:En moderne tilpasning i vers" (1955)
- "Apokryfene:En moderne tilpasning i vers" (1957)