All links below link to PDFs
| Year | No. | Title | Orator |
| 1954 | 1 | Homage to Crabtree | Professor James Sutherland |
| 1955 | 2 | Towards a Crabtree bibliography | Professor Arthur Brown |
| 1956 | 3 | The iconography of Crabtree | Professor Terence Spencer |
| 1957 | 4 | Crabtree and science | Professor R. V. Jones |
| 1958 | 5 | Crabtree's periodical publication and its lesson for us | Mr John Crow |
| 1959 | 6 | The family Crabtree | Professor Hugh Smith |
| 1960 | 7 | Crabtree in France 1791-1800 | Dr Leonard Tancock |
| 1961 | 8 | Crabtree and the sage of Pittenweem | Professor William Armstrong |
| 1962 | 9 | Crabtree marginalia | Dr Macdonald Emslie |
| 1963 | 10 | Crabtree's chemical and colonial Connections | Professor R. S. Nyholm |
| 1964 | 11 | Joseph Crabtree, Jeremy Bentham and London University | Mr Joseph Scott |
| 1965 | 12 | Joseph Crabtree and materia medica | Dr Andrew Tay |
| 1966 | 13 | Crabtree and the statue | Professor David Wilson |
| 1967 | 14 | Joseph Crabtree and his publishers | Mr Bryan Bennett |
| 1968 | 15 | Joseph Crabtree and the North | Professor Peter Foote |
| 1969 | 16 | Crabtree and the law | Professor J. A. C. Thomas |
| 1970 | 17 | The quest for Crabtree | Mr Charles Peake |
| 1971 | 18 | Crabtree and the East | Professor Prakash Datta |
| 1972 | 19 | Crabtree's medical milieu | Dr Edwin Clarke |
| 1973 | 20 | Crabtree the onomast | Professor John Dodgson |
| 1974 | 21 | Crabtree and French letters | Dr Gordon Hall |
| 1975 | 22 | Crabtree comes of age: Crabtree and country matters | Mr Richard Freeman |
| 1976 | 23 | Crabtree and the sea | Professor F. J. J. Cadwallader |
| 1977 | 24 | Crabtree: the creative criminologist | Judge Bernard Hargrove QC |
| 1978 | 25 | The cleansing of Crabtree | Mr Arthur Tattersall |
| 1979 | 26 | Joseph Crabtree: the old lady of Threadneedle Street | Mr Nigel Bromage |
| 1980 | 27 | Crabtree the engineer | Professor Peter Rowe |
| 1981 | 28 | Crabtree and Germany: chameleon meets chameleon | Mr W H A Larrett |
| 1982 | 29 | Joseph Crabtree and "Bert" Dawson | Professor Michael Screech |
| 1983 | 30 | Joseph Crabtree and the Polish connection | Dr Frank Carter |
| 1984 | 31 | The secret life of Joseph Crabtree | Mr Fred Gee |
| 1985 | 32 | Joseph Crabtree and the Caliph of Fonthill | Professor Bartolomeu dos Santos |
| 1986 | 33 | Crabtree's theorem | Professor Sir James Lighthill |
| 1987 | 34 | Joseph Crabtree and the Keltic twilight | Mr Frank Delaney |
| 1988 | 35 | Crabtree and political arithmetick | Mr Negley Harte |
| 1989 | 36 | Crabtree and the death in Vienna | Professor John Foreman |
| 1990 | 37 | Crabtree's cudgel | Professor James Graham-Campbell |
| 1991 | 38 | Crabtree and nature philosophy | Dr Roderick Fisher |
| 1992 | 39 | Crabtree's vision: ambivalence, angst, apocalypse | Professor Peter Armour |
| 1993 | 40 | Crabtree's measures | Professor John Mullin |
| 1994 | 41 | In the steps of Crabtree | Dr Tony Smith |
| 1995 | 42 | Crabtree facing both ways | Mr Michael Freeman |
| 1996 | 43 | Joseph Crabtree: the twilight years | Professor Peter McMullen |
| 1997 | 44 | "Brother Crabtree" | Professor David Latchman |
| 1998 | 45 | Crabtree and the oral tradition | Mr Martin Butcher |
| 1999 | 46 | Crabtree: the first of the spin doctors | Lord McNally |
| 2000 | 47 | Crabtree and the court of the Popes | Professor Michael Crawford |
| 2001 | 48 | Crabtree and the hinge of fate | Dr Nigel Mason |
| 2002 | 49 | Crabtree and the Congress of Vienna | Professor Karl Sinnhuber |
| 2003 | 50 | Crabtree, the godson and the leading lady | Dr Diana Manuel |
| 2004 | 51 | Crabtree and the bardic heritage | Dr Toni Griffiths |
| 2005 | 52 | Brewing and "The Crabtree Effect" | Dr Iain Mowbray |
| 2006 | 53 | The revenge of Joseph Crabtree | Professor Kathleen Burk |
| 2007 | 54 | Historiologica Josephianorum | Professor Edgar Anderson |
| 2008 | 55 | A Crabtree étude | Professor David Bogle |
| 2009 | 56 | Joseph Crabtree: his club and his College | Dr Rosemary Stevenson |
| 2010 | 57 | Crabtree and his Diva | Professor John North |
| 2011 | 58 | Crabtree's change of tack or scraps from beneath high table | Dr Michael Johnson |
| 2012 | 59 | Crabtree's Railway Adventure Brings Truly Remarkable Engineering Endeavours | Professor Nick Tyler |
| 2013 | 60 | The portrait, the Pearl River and Crabtree's redemption | Professor John Aiken |
| 2014 | 61 | Gloria in absentia: images of Crabtree in South America | Professor Nicola Miller |
| 2015 | 62 | The odyssey of Crabtree the peacemaker: papaver somniferum and Aïda | Professor David Saggerson |
| 2016 | 63 | "Midas, transmuting all, into . . . paper":How Crabtree won the Napoleonic Wars | Professor Jagjit Chadha |
| 2017 | 64 | Crabtree's Albanian dimension | Mr Alexander Duma |
| 2018 | 65 | Crabtree: Evidence From The Autopsy | Professor John Martin |
| 2019 | 66 | Crabtree and the Noble Cause | Sir Paul Mahoney |
| 2020 | 67 | Shelley, Crabtree, Byron - and Lerici | Mrs Therese Bennett |
| 2022 | 68 | Crabtree’s Great Truth; and the Impact of Chance Encounters | Mr David Hogan-Hern |
| 2023 | 69 | What’s in a name? Joseph Crabtree: The Apple, the tree, and the crab | The Rt Revd. Dr Keith Riglin |
| 2024 | 70 | Crabtree: Dabbling in Dubiety and Dissemblance | Ambassador Georgina Butler |
| 2025 | 71 | TBC | Dr Matthew Hutchinson |
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