| Year | Orator | Title of Oration |
| 1975 | Mr Bryan Bennett and Mr Don Charlwood |
In Praise of Joseph Crabtree and In Condemnation Of Those Who Seek to Belittle, or Worse, to Ignore His Creative Endeavour Crabtree's Ode on the Return of Governor Phillip From New South Wales (Download) |
| 1976 | Mr Don Charlwood | Crabtree: The Obscure Decade and After (Download) |
| 1977 | Mr Keith Bennetts | Crabtree: The Road to Charliegrark (Download) |
| 1978 | Mr Patrick Kilbride | Lux Gentium Lex (Download) |
| 1979 | Mr Leonard Dommett | Crabtree the Indomitable (Download) |
| 1980 | Professor David Bradley | Something Borrowed, Something Blue (Download) |
| 1981 | Dr Clive Coogan | Crabtree, the Political Scientist (Download) |
| 1982 | Mr Richard Belshaw | Crabtree and Education: Facilis descendus Averno (Download) |
| 1983 | Mr Nick Hudson | Joseph Crabtree - Ingenieur Extraordinaire (Download) |
| 1984 | Dr Logan Francey | Joseph Crabtree - The Einstein Connection (Download) |
| 1985 | Mr Gordon Taylor | Knowing Crabtree - Ex Nihilo Nihil Fit? (Download) |
| 1986 | Professor Roy Jackson | Crabtree - The Practical Man (Download) |
| 1987 | Mr Howard Deakin | Joseph Crabtree - The Metaphysical Dimension (Download) |
| 1988 | Mr Phillip Martin | Crabtree's Erotic Poetry (Download) |
| 1989 | Dr Phillip Law | Joseph Crabtree and Historical Hazards (Download) |
| 1990 | Professor Noel Murray | Crabtree and the Art of Technology (Download) |
| 1991 | Mr Sydney Ingham | Crabtree Unmasked |
| 1992 | Mr Jim McGrath | Erotic Influences on Crabtree's Musical Contribution to the Chinese Pizza Industry (Download) |
| 1993 | Professor Martin Williams | Crabtree at the Sources of the Nile and in the Mountains of the Moon (Download) |
| 1994 | Professor John Salmond | Crabtree in the White House (Download) |
| 1995 | Professor Peter Darvall | A Short History in Rhyme of the Turbulent Life Of Joseph Crabtree (Download) |
| 1996 | Professor Rob Willis | The First Coming of Crabtree (Download) |
| 1997 | Mr Richard Sebo | The Darker Side of Crabtree (Download) |
| 1998 | Dr Bill Breen | Joseph Crabtree: The Military Dimension (Download) |
| 1999 | Mr David Cunningham | First Light In Nuristan: Crabtree's Contributions To The Development Of The Society And Religion Of The Kafirs Of The Hindu Kush. (Download) |
| 2000 | Mr Max Robinson | Crabtree Pulls It Off (Download) |
| 2001 | Mr Phil A'Vard | Was Crabtree a Thespian? (Download) |
| 2002 | Dr Paul Rodan | Crabtree in the Colonies: The Emerging Truth (Download) |
| 2003 | Mr Stephen Downes | How Crabtree Created Camembert (Download) |
| 2004 | Dr Peter Kershaw | Joseph Crabtree- A Product of the Little Ice Age (Download) |
| 2005 | Assoc Prof Ian Marshall | McCrabtree (Download) |
| 2006 | Professor Greg O'Brien | Crabtree on the Rise (Download) |
| 2007 | Mr Ian Cummins | Crabtree and the Eastern Bloc (Downlod) |
| 2008 | Dr Michael Deakin | Crabtree: a Complex Number (Download) |
| 2009 | Mr Andrew Schnaider | Crabtree in Clubland (Download) |
| 2010 | Mr Kevin Childs | Joseph Crabtree, Father of Modern Journalism (Download) |
| 2011 | Ms Bryony Cosgrove | Crabtree - Purveyor of the Daffodil as a Tool of Seduction (Download) |
| 2012 | Mr Bill Claiborne | Crabtree Dances with the Green Fairies and Saves America (Download) |
| 2013 | Mr Paul Williams | Joseph Crabtree and the Great Schism of the Fagotti (Download) |
| 2014 | Professor Kate Burridge | Joseph Crabtree - Rogue Lexicographer - Wild Etymologist (Download) |
| 2015 | Mr Tim Smith | Crabtree and his encounters with Antipodean Pettifoggers (Download) |
| 2016 | Emeritus Professor Martin Comte | Crabtree the Composer: Under the Lamplight (Download) |
| 2017 | Ms Diana Burleigh | Joseph Crabtree, son of Mnemosyane, brother to Calliope, Melpomone and Thalia (Download) |
| 2018 | Dr Jim Breen | Joseph Crabtree, The Father of the Computer (Download) |
| 2019 | Emeritus Professor John Rickard | Crabtree - Living with risk - Guided by my numbers (Download) |
| 2020 | Dr Angela O'Brien | The Mnemonic Cake: What Proust Owes to Crabtree (Download) |
| 2021 | Ms Anne Semple | Joseph Crabtree: More than an influencer of his time (Download) |
| 2022 | Dr Richard Travers | Crabtree and his Violon d'Ingres (Download) |
| 2023 | Ms Gwenda Thomas | Joseph Crabtree the Intrepid Explorer: a Tale of Ubiquity (Download) |
| 2024 | Dr Mark Williams | Crossing the Line: Crabtree's Polymorphous Personality: the Early Years (Download) |