National five digit zip code and post office directory /

Kept up to date by addenda.

History of the Atlantic telegraph /

Mode of access: Internet.

Ohio laws. Codification of, relating to railroads and telegraphs, with decisions.

Mode of access: Internet.

Error detection and correction in binary parallel digital computers /

"Retyped October, 1964"

An upper bound for the number of certain error correcting codes /

"August 9, 1954"

Cyclic spot-error-correcting codes.

Vita.

Difference-preserving codes,

Bibliography: p. 23.

Algorithm for high security codes/

Mode of access: Internet.

General theory of most efficient codes.

Mode of access: Internet.

An analysis of burst encoding methods and transmission properties /

Thesis (M. S.)--University of Illinois at Urbana-Champaign.

Report number codes used by the USAEC Division of Technical Information in cataloging reports /

"August 1970."

The thermionic vacuum tube and its applications,

Mode of access: Internet.

Report number codes used by the USAEC Technical Information Center in cataloging reports /

Mode of access: Internet.

The United States and the war : addresses /

Editorial note -- Introduction, by the editor -- Proceedings at the luncheon of th Pennsylvania Society: Address of Rear-Admiral R. E. Peary. Note from the Hon. Theodore Roosevelt [facsimile]. Address by the Hon. J. M. Beck. Verdun menu [facsimile] -- Proceedings at the luncheon of the Pilgrims in London: Address by Viscount Bryce. Address by the Hon. J. M. Beck -- An American advocate [editorial from "London daily telegraph"].

Leçons sur les codes pénal & d'instruction criminelle /

Mode of access: Internet.