< final report, 1 may 1964 - 30 sep. 1965
< semiannual status report, oct. 1, 1962 - apr. 1, 1963
< letter progress report, 1 mar. - 31 may 1965
< final report, oct. 1, 1963 - dec. 31, 1964
< first semiannual progress report, 1 jun. - 1 dec. 1963
< annual summary report, 1 sep. 1963 - 31 aug. 1964
< annual report, dec. 1, 1961 - nov. 30, 1962