. . . he nearly had a fit at sight of Bo-Peep’s doll – Black Sambo – who sat in the nursery, . . The lambs were safely shut up in their wooden box every night by their little mistress, for she did not want to have to search for them again through glades of trees, unending rooms, or to ask news of them of a stupid real Black Sambo with a swelling face, who sang stupid songs.
Little Bo-Peep And Other Good Stories
Henry Altemus Company: Philadelphia. 1905.
Elephant's Picture Book 