Digital Telephony and Law Enforcement Access to Advanced Telecommunications Technologies and Services

[Joint Hearings Before the Subcommittee on Technology and the Law of the Senate Committee on the Judiciary, and the Subcommittee on Civil and Constitutional Rights of the House Committee on the Judiciary, One Hundred Third Congress, Second Session, on H.R. 4922 and S. 2375 ... March 18 and August 11, 1994.]

Memoria Relativa Aos Regimentos De Sinaes Da Marinha

Message-based Response Routing With Selcuk Networks

Lincoln in the Telegraph Office

[Recollections of the United States Military Telegraph Corps During the Civil War]

Lincoln in the Telegraph Office

[Recollections of the United States Military Telegraph Corps During the Civil War]