Radio interferometry techniques for geodesy : proceedings of a conference sponsored by the National Aeronautics and Space Administration and the American Geophysical Union in cooperation with Special Study Group 2.51 of the International Association of Geodesy and held at the Massachusetts Institute of Technology, Cambridge, Massachusetts, and the Northeast Radio Observatory Corporation Haystack Observatory, Westford, Massachusetts, June 19-21, 1979.

Includes bibliographical references.

Laboratory arts; a teacher's handbook dealing with materials and tools used in the contruction, adjustment, and repair of scientific instruments,

Mode of access: Internet.

U.S. policy in El Salvador : hearings before the Subcommittees on Human Rights and International Organizations and on Western Hemisphere Affairs of the Committee on Foreign Affairs, House of Representatives, Ninety- eighth Congress, first session ... February 4, 28; March 7, 17, 1983.

Mode of access: Internet.

Human rights in Chile : hearing before the Subcommittee on Human Rights and International Organizations and On Western Hemisphere Affairs of the Committee on Foreign Affairs, House of Representatives, Ninety-ninth Congress, first session, March 20, 1985.

Mode of access: Internet.

Overview of nuclear arms control and defense strategy in NATO : hearings before the Subcommittees on International Security and Scientific Affairs and on Europe and the Middle East of the Committee on Foreign Affairs, House of Representatives, Ninety-seventh Congress, second session, February 23, March 18 and 22, 1982.

Mode of access: Internet.

Human rights in Romania : hearing before the Subcommittees on Europe and the Middle East and on Human Rights and International Organizations of the Committee on Foreign Affairs, House of Representatives, Ninety-ninth Congress, first session, May 14, 1985.

Mode of access: Internet.

U.S. policy and the conflict in the western Sahara : hearings before the Subcommittees on Africa and on International Organizations of the Committee on Foreign Affairs, House of Representatives, Ninety-sixth Congress, first session, July 23, and 24, 1979.

Includes bibliographical references.

U.S. policy and major issues in the 34th U.N. General Assembly [microform] : hearings before the Subcommittee on International Organizations of the Committee on Foreign Affairs, House of Representatives, Ninety-sixth Congress, first session, September 13 and 19, 1979.

Reuse of record except for individual research requires license from Congressional Information Service, Inc.

Human rights in Africa : hearing before the Subcommittees on Africa and on International Organizations of the Committee on Foreign Affairs, House of Representatives, Ninety-sixth Congress, first session, October 31, 1979.

Mode of access: Internet.

Barometers and the measurement of atmospheric pressure. A pamphlet of information respecting the theory and construction of barometers in general, with summary of instructions for the care and use of the standard Weather bureau instruments ...

Mode of access: Internet.

A dictionary of practical surgery : comprehending all the most interesting improvements, from the earliest times down to the present period; an account of the instruments, remedies and applications employed in surgery; the etymology and signification of the principal terms; ... forming together a "catalogue raisonné" of surgical literature ... /

Mode of access: Internet.

Horse-hoeing husbandry; or, an essay on the principles of vegetation and tillage : designed to introduce a new method of culture, whereby the produce of land will be increased, and the usual expence lessened : together with accurate descriptions and cuts of the instruments employed in it /

Goldsmiths'-Kress no. 08603.

Astronomy, as it is known at the present day : to which is added,a supplement, containing an account of the nature and use of astronomical instruments, the manner of calculating the notes of the calendar, the distances and magnitudes of the planets, and a number of other useful and interesting calculations in astronomy /

Mode of access: Internet.

Report of the proceedings of the fourth session of the International statistical congress, held in London July 16th, 1860, and the five following days.

Edited by William Farr.

Unemployment statistics in the United States and the Republic of Germany : problems of international comparisons /

"April 1979"--Cover.