1. Ainsworth, M. D. S. (1967). Infancy in Uganda: Child care and the growth of love. Baltimore: The Johns Hopkins University Press.
2. Ainsworth, M. D. S., & Bell, S. M. (1969). Some contemporary patterns in the feeding situation. In A. Ambrose (Ed.), Stimulation in early infancy (pp. 133–170). London: Academic Press.
3. Ainsworth, M. D. S., Bell, S. M., Blehar, M. C., & Main, M. (1971, April). Physical contact: A study of infant responsiveness and its relation to maternal handling. Paper presented at the biennial meeting of the Society for Research in Child Development, Minneapolis.
4. Ainsworth, M. D. S., Bell, S. M., & Stayton, D. (1974). Infant-mother attachment and social development. In M. E Richards (Ed.), The introduction of the child into a social world (pp. 99–135). London: Cambridge University Press.
5. Ainsworth, M. D. S., Blehar, M. C., Waters, E., & Wall, S. (1978). Patterns of attachment: A psychological study of the strange situation. Hillsdale, NJ: Erlbaum.