Incoming Resources
- In the womb, multiples, produced by Pioneer Productions and Fox Television Studios in association with Channel 4
- The miracle of life, directors and producers, Bo G. Erikson, Carl O. Lofman ; for Nova, written and produced by Bebe Nixon
- Life's blueprint, the science and art of embryo creation, Benny Shilo
- The story of a baby;, illustrated by the author, Marie Hall Ets
- Before we are born, essentials of embryology and birth defects, Keith L. Moore, T.V.N. Persaud ; with the collaboration of Mark G. Torchia
- En el vientre materno, producida por Pioneer Productions y Fox Television Studios en asociación con Channel 4 para National Geographic Television
- The miracle of life ;, Life's first feelings, directors and producers, Bo G. Erikson, Carl O. Lofman ; for Nova, written and produced by Bebe Nixon