Letter addressed as a circular to the members of the Willard Association for the Mutual Improvement of Female Teachers formed at the Troy Female Seminary, July 1837 /

Mode of access: Internet.

Performance improvement of arc heaters for aerodynamic wind tunnels

Mode of access: Internet.

A treatise upon modern instrumentation and orchestration; containing an exact table of the compass, a detail of the mechanism, and a study of the quality of tone, and expressive character of various instruments; accompanied by numerous examples in score, from the works of the greatest masters, and from some unpublished works of the author.

Mode of access: Internet.

The investigation of chemical quality of water in tidal rivers /

Mode of access: Internet.

Improvement of rivers and harbors. Letter from the Secretary of the Army transmitting compilation of preliminary examination, survey, and review reports on river and harbor and flood-control improvements, authorized by the River and Harbor Act approved on May 17, 1950

Spine title: Preliminary examination, survey, and review reports on river and harbor and flood-control improvements