Graham Lord: James Herriot: the life of a country vet. (google books)
pbs.org
The Books of James Herriot. In: Masterpiece 50. PBS, abgerufen am 11. April 2021: „Two shorter volumes by Herriot had been published in the UK before St. Martin’s Press in New York combined them for an American audience as All Creatures Great and Small. The title is borrowed from the 19th century Anglican hymn All Things Bright and Beautiful with lyrics by Cecil Frances Alexander.“