Panama, post report.

Mode of access: Internet.

Costa Rica, post report.

Mode of access: Internet.

Venezuela, post report.

"August 1984."

Oman, post report.

Mode of access: Internet.

Hungary, post report.

Mode of access: Internet.

German Democratic Republic post report.

Mode of access: Internet.

1992 post report, Geneva.

Mode of access: Internet.

State heart disease control programs; selected information included in the state public health plans submitted by state health departments for fiscal years 1954 and 1955.

Mode of access: Internet.

Suggestions upon the nature and disadvantages of the present Post Office tariff : showing the injurious effects of the high rates of postage, especially on letters containing enclosures ... /

Mode of access: Internet.

Libraries and the post office.

Newspaper clipping.

Switzerland, post report.

Mode of access: Internet.

Bolivia, post report.

Mode of access: Internet.

Bermuda, post report, 1991.

Mode of access: Internet.

Benin, post report.

Mode of access: Internet.

Canada, post report.

Mode of access: Internet.