- 1Papers relating to Francis Trevithick's biography of his father Richard Trevithick (TREVF)
1746 - 1979, fonds - 2Plans, Maps and Sketches (TREVF/1)
1746 - c 1839, series - 3Photographs (TREVF/2)
19th century - 20th century, series - 4Research Notes and Papers (TREVF/3)
1765 - 1877, series - 5Correspondence (TREVF/4)
1800 - 21 January 1875, series - 6Printed Materials (TREVF/5)
1839 - 1971, series - 7Photograph of Richard Trevithick's Birth Place in the Parish of Illogan (TREVF/2/2)
1870, item - 8Photograph of Early Residence of Richard Trevithick at Penponds (TREVF/2/3)
1870, item - 9Notes of Captain Andrew Vivian’s Recollections of Richard Trevithick (TREVF/3/8)
28 March 1858, item - 10Notes on Trevithick Family Recollections (TREVF/3/9)
1860 - February 1862, item - 11Notes Relating to the People Working with Richard Trevithick’s Engines (TREVF/3/10)
13 June 1865, item - 12Notes Regarding Richard Trevithick’s Engines for South America and a Boiler at Dolcoath Mines (TREVF/3/11)
23 March 1868, item - 13Copy of an Extract from a Burial Register of 1797 (TREVF/3/12)
13 November 1868, item - 14Notes Relating to Dolcoath Mines Account Books and Payments (TREVF/3/13)
1868, item - 15Notebook belonging to Francis Trevithick (TREVF/3/18)
c 1860s - 1877, item