Tolkien, J. R. R.Bilbo's last Song: (for "XIV. Return to Hobbiton" note 21) "the Hornblower who received the barometer now changes from Cosimo (by way of Carambo) to Colombo." (A Long-expected Party): "For Cosimo Chubb, treat it as your own, Bingo: on the barometer. Cosimo used to bang it with a large fat finger whenever he came to call. He was afraid of getting wet, and wore a scarf and macintosh all the year round."
Turner, Damian (14 February 2015). "Product Review - Ghillie Kettle". Crossaxle.com Magazine. Retrieved 20 January 2024. The chimney or volcano kettle, call it what you will, dates back to the late 1800's in western Ireland
Gilliver, Peter (14 August 2012). "J.R.R. Tolkien and the OED". Oxford English Dictionary. Retrieved 23 February 2021. Note: Gives the OED's definition of "Hobbit", and states it was written by Tolkien, and included almost unchanged.
Hounsell, Peter (February 2004). "Up the Cut to Paddington: The West Middlesex brick industry and the Grand Junction Canal". The British Brick Society. 93: 11–16. ISSN0960-7870.
Fimi 2010, 10 "Visualizing Middle-earth" "Victorian countryside and relics of the industrial revolution: the material culture of the Shire, pp. 179–188 Fimi, Dimitra (2010) [2008]. Tolkien, Race, and Cultural History: From Fairies to Hobbits. Palgrave Macmillan. ISBN978-0-230-21951-9. OCLC222251097.