Series consists of Edward Kirkpatrick Maclellan and Helen Stewart (Mackay) Maclellan's correspondence, photographs, newspaper clippings, periodicals, booklets, a marriage certificate and a cookbook.
Fonds contains correspondence, musical scores (piano and orchestral), photographs, a sketch, harmony notebooks, fliers, programs, newspaper clippings, academic journals, a press book, scrapbooks, and letters of composers. The musical scores include several first edition copies and autograph manuscripts. All personal correspondence is incoming correspondence; no outgoing correspondence is included in this fonds.
Subseries consists of Helen Stewart (Mackay) Maclellan's correspondence with Jean Stewart Maclellan and David Kirkpatrick Stewart Maclellan; Edward Kirkpatrick Maclellan; and Margaret Jane (MacKenzie) Maclellan and William Edward Maclellan. It also contains her mother's handwritten recipe book.
Item is a journal containing lists of materials, expenses and books, and well as miscellaneous notes and diary entries, including copies made by W.J. Proudfoot in 1841 of earlier pencilled notes by Dinwiddie, and a loose letter from Mr Ashton requesting the loan of a book.
Item is a book kept by James Dinwiddie containing notes about Humphrey Davy's lectures (18 December 1809 - 26 January 1811) at the Royal Institution on topics in chemistry, including electro-chemistry, phosphates, sulphur, and salts.
Item is a book kept by James Dinwiddie containing notes about Humphrey Davy's lectures (19 December 1810 - 23 February 1811) at the Royal Institution on topics in chemistry and philosophy.
Item is a book kept by James Dinwiddie containing notes about Humphrey Davy's lectures (8 February 1911 - 3 April 1811) at the Royal Institution on topics in chemistry, including voltaic electricity, uses of potassium and sodium, and oxygen.
Item is a book kept by James Dinwiddie containing notes about Humphrey Davy's lectures (17 December 1808 - 3 June 1809) at the Royal Institution on topics in chemistry, including the decomposition of acids and alkalis by electricity, metals and potassium.
Item is a notebook kept by James Dinwiddie from December 22, 1808 - March 11, 1809 containing his notes on lectures at the Royal Institution on topics including orbits of the sun and moon, the state of science prior to Isaac Newton, and chemical attraction.
Item is a book kept by James Dinwiddie containing notes about lectures at the Royal Institution (April 21, 1810 - May 26, 1811). Dinwiddie notes that he did not attend the first two lectures.
Item is a book kept by James Dinwiddie containing his notes on lectures at the Royal Institution (December 20, 1809-April 19, 1810), which include lectures given by Dalton.
Item is a book kept by James Dinwiddie containing notes about Singer's lectures (January 12 - June 18, 1810) on topics in chemistry, including experiments, chemical properties of air and electricity.
Item is a book kept by James Dinwiddie containing notes about lectures held at the (25 April 1811- 13 August 1811) about experiments in electricity, chemical apparatus, and electrochemistry.
Fonds comprises the records of William Edward Maclellan and his family's records, including those of including William Edward and Margaret Jane (Mackenzie) Maclellan; Edward Kirkpatrick and Helen Stewart (Mackay) Maclellan; Robert (Bob) William and Delphine Caroline (Wallace) Maclellan; Jean Stewart Maclellan; Robert William Maclellan; and David Kirkpatrick Stewart Maclellan. Record types include correspondence, photographs, films, newspaper clippings, poems, certificates, booklets, periodicals, notebooks and genealogical charts.