The Human Life Foundation was established in 1969. In 1976 the name was changed to Human Life Foundation of America. In 1978 the Human Life Foundation of America and the Natural Family Planning Federation (formed in 1973) merged to form the Human Life and Natural Family Planning Foundation. Works by these bodies are found under the following headings according to the name used at the time of publication: Human Life Foundation. Human Life Foundation of America. Natural Family Planning Federation of America. Human Life and Natural Family Planning Foundation. SUBJECT ENTRY: Works about these bodies are entered under the name resulting from the merger. Works limited in subject coverage to the pre-merger period are entered under the name of one or more of the original bodies. In the case of change of name entry is made under the name used during the latest period covered.