1. Donald Gingery: 11 days old Author(s): Bonn, Philip. Publication: [194-] Subject(s): Infant, NewbornChild Development
2. One month old Author(s): Bonn, Philip. Publication: [1946] Subject(s): Child DevelopmentInfant, Newborn
3. One month old Author(s): Bonn, Philip. Publication: [1946] Subject(s): Infant, NewbornChild Development
