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  1940. Dr W-E.CALDWELL, H-C.MOLOY, A.D’ESOPO : The more recent conceptions of the pelvic architecture.
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  1938. Dr W-E.CALDWELL, H-C.MOLOY : Anatomical variations in female pelvis. Their classification and obstetrical significance.
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  1938. Dr W-E.CALDWELL, H-C.MOLOY, D-A.D’ESOPO : Studies on pelvic arrest.
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  1935. Dr W-E.CALDWELL, H-C.MOLOY, D-A.D’ESOPO : Further studies on the mecanism of labor.
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  1934. Dr W-E.CALDWELL, H-C.MOLOY, D-A.D’ESOPO : A roentgenologic study of the mecanism of engagement of the fetal head.
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  1934. Dr W-E.CALDWELL, H-C.MOLOY, D-A.D’ESOPO : Further studies on the pelvic architecture.
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  1933. Dr W-E.CALDWELL, H-C.MOLOY : Anatomical variations in the female pelvis and their effect in labor with a suggested classification.