Research on vehicle-based driver status/performance monitoring: seventh semi-annual research report.

National Highway Traffic Safety Administration, Washington, D.C.

Agricultural research program : semi-annual progress report for...

"Contract No. AT-40-1-GEN-242."

... Semi-annual conference of the Church of Jesus Christ of Latter-day Saints.

Volume for the 68th- also contains an account of the General Conference of the Deseret Sunday School Union.

Proceedings of the semi-annual and annual encampments of the Department of New York, Grand Army of the Republic.

Description based on: June 28-29, 1882 and Jan. 24-25, 1883.

Semi-annual report of the Division of Reference and Research.

Submitted by the Director of Reference and Research to the President of the Board of Education.