National apprenticeship standards for roofers, damp and waterproof workers /

Mode of access: Internet.

National apprenticeship and training standards for the International Brotherhood of Police Officers for the training of law enforcement officer.

Mode of access: Internet.

Safety standards for elevators, escalators, dumb-waiters and hoists. Rules 214 to 265 inclusive (Effective December 15, 1924) Adopted September 9, 1924.

At head of title: Commonwealth of Pennsylvania. Department of labor and Industry.

Standards yearbook.

"Compiled by the Bureau of Standards."

A.S.T.M. standards on coal and coke.

Mode of access: Internet.

Minimum standards for quality of life /

Mode of access: Internet.

Amendment of the Fair labor standards act.

pt.1.Hearings, Sept.25-Oct.26, 1945.--pt.2.Hearings, Jan.18-21, 1946.

National emission standards study : report : appendix : a report to the Congress of the United States by the Secretary of Health, Education, and Welfare, in compliance with Public Law 90-148 : Clean Air Act, as amended.

Includes bibliographies.

Working dogs; the breeds and standards as recognized by the American Kennel Club.

On cover: An official publication.

Minimum standards for the commercial production of random bred and inbred laboratory mice (rev. Sept., 22, 1957)

Reprinted from the Journal of the National Cancer Institute, vol. 19, no. 6, Dec. 1957.

Standards for the breeding, care and management of laboratory mice; rev. September 1962.

Mimeographed.

Title 41, Pt. 50-204, Section II. Radiation safety and health standards for Federal supply contracts, under the Walsh-Healey Public Contracts Act.

Mode of access: Internet.

Standards : method and procedure for the determination of dissolved oxygen.

Mode of access: Internet.

Book of A.S.T.M. standards.

Part of illustrative matter is folded.

Circular of the Bureau of Standards

Some numbers issued out of sequence; some numbers issued in revised editions