Handbook of nature-study for teachers and parents, based on the Cornell nature-study leaflets, with much additional material and many new illustrations,

"Books of reference.": p. [924]-928.

Oversight--Public Law 96-479--National Material and Minerals Policy, R. & D. Act of 1980 and consideration of H.R. 4281--Critical Materials Act of 1981 [microform] : hearings before the Subcommittee on Transportation, Aviation, and Materials and the Subcommittee on Science, Research, and Technology of the Committee on Science and Technology, U.S. House of Representatives, Ninety-seventh Congress, second session, April 20, 22, 1982.

"No. 117."

The editorial, with case material and assignments,

Mode of access: Internet.

Hicks' builders' guide, comprising an easy, practical system of estimating material and labor for carpenters, contractors and builders /

Mode of access: Internet.

Handbook of nature-study for teachers and parents based on the Cornell nature-study leaflets, with much additional material and many new illustrations,

"Nature books for use of teachers and parents": p. [924]-932.

Material and energy balances /

Mode of access: Internet.