 "Ukolébavka" ("Lullaby") – This lullaby was published in 1633 in The Informatorium of the School of Infancy by Johann Amos Comenius (1592–1670).The book is likely to be the first treatise on the development and educating infants and children up to six in the family.Comenius stressed among other things the necessity of sensory and emotional stimuli at an early age.