The economic significance of the St. Lawrence Seaway to Wisconisn.

Mode of access: Internet.

The social & economic significance of the automatic tool

Reprinted from Michigan academy of science. Report no.21, 1919.

The importance of bird life: a popular account of its economic significance and conservation,

Mode of access: Internet.

Investment trusts and investment companies : report of the Securities and Exchange Commission : pursuant to section 30 of the Public Utility Holding Company Act of 1935

Issued also in the congressional series under title: Investment trusts and investment companies : letter from the chairman of the Securities and Exchange Commission transmitting, pursuant to law, a report .

Industrial base : significance of DOD's foreign dependence : report to the Chairman, Subcommittee on Technology and National Security, Joint Economic Committee, U.S. Congress /

"B-238025"--p.1.