Factual error: The roads show only two wheel tracks, there is no wear on the center of the road, from either horses or oxen. Most pre-auto movies miss this.
Factual error: Marianne quotes Hartley Coleridge's Sonnet VII to Elinor ("Is love a fancy or a feeling?") to inquire about her feelings for Edward. However, this sonnet was published for the first time in 1833 - some 22 years after Sense & Sensibility takes place in 1811.
Factual error: Elinor mentions the Russian city of Vladivostok. However, Vladivostok was founded in the late 19th century, several decades after this movie was set.
Answer: The lyrics come from a poem called "Weep You No More, Sad Fountains" - it was set to music specifically for the film by Patrick Doyle. There is sheet music available for this piece here: http://www.sheetmusicplus.com/title/selections-from-sense-and-sensibility-sheet-music/2923004. As far as I know, you have to buy both 'The Dreame' and 'Weep You No More Sad Fountains', but they are both here.
Tailkinker ★