U.S. Naval Observatory parallaxes of faint stars - List VII

U.S. Naval Observatory parallaxes of faint stars - List VIII

U.S. Naval Observatory parallaxes of faint stars. VI

U.S. Naval Observatory photographic parallaxes - List IX

U.S. Naval Observatory Report

U.S. Naval Observatory, Washington, D.C. (1 July 1973 - 30 June 1974). Observatory report.

U.S. Naval Observatory, Washington, D.C. 20390. Report for the period 1 July 1977 - 30 June 1978.

U.S. Naval Observatory, Washington, D.C. 20390. Report for the period 1 July 1979 through 30 June 1980.

U.S. Naval Observatory, Washington, D.C. 20390. Report for the period 1 July 1980 - 30 June 1981.

U.S. Naval Observatory, Washington, D.C. Observatory report covering the period 1 July 1975 - 30 June 1976.

U.S. Naval Observatory, Washington, D.C. Observatory report for 1 July 1972 - 30 June 1973.

U.S. Naval Observatory, Washington, D.C. Observatory report for the period 1 July 1974 - 30 June 1975.

U.S. Naval Observatory, Washington, D.C. Observatory report.

U.S. Naval Observatory, Washington, D.C. Observatory report.

U.S. Naval Observatory, Washington, D.C. Report 1967-1968.

U.S. Naval Observatory, Washington, D.C. Report 1968-1969.

U.S. Naval Observatory, Washington, D.C. Report 1969-1970.

U.S. Naval Observatory, Washington, D.C. Report for the period 1 July 1976 - 30 June 1977.

U.S. Naval Observatory, Washington, DC 20392-5100. Report for the period 1 Jul 1987 - 30 Jun 1988.

U.S. Naval Observatory, Washington, DC 20392-5100. Report for the period 1 Jul 1988 - 30 Jun 1989.