Jack and Jill (nursery rhyme) these stanzas were viewed as quatrains with internal rhymes, this would be an example of ballad form, a common form for nursery rhymes. The melody commonly associated with the rhyme was first recorded by the composer and nursery rhyme collector James William Elliott in his "National Nursery Rhymes and Nursery Songs" (1870). The Roud Folk Song Index, which catalogues folk songs and their variations by number, classifies the song as 10266. The phrase "Jack and Jill" was in use in England as early as the 16th century to indicate a boy and a girl. A comedy with the title "Jack
Nursery rhyme antiquities (historical), fireside stories, game-rhymes, alphabet-rhymes, riddles, nature-rhymes, places and families, proverbs, superstitions, customs, and nursery songs (lullabies). By the time of Sabine Baring-Gould's "A Book of Nursery Songs" (1895), folklore was an academic study, full of comments and footnotes. A professional anthropologist, Andrew Lang (1844–1912) produced "The Nursery Rhyme Book" in 1897. The early years of the 20th century are notable for the illustrations to children's books including Caldecott's "Hey Diddle Diddle Picture Book" (1909) and Arthur Rackham's "Mother Goose" (1913). The definitive study of English rhymes remains the work of Iona and Peter Opie. Many nursery rhymes have