Entry Topical Term
001 - CONTROL NUMBER
- control field: 31372
010 ## - LIBRARY OF CONGRESS CONTROL NUMBER
- LC control number: D003143
003 - CONTROL NUMBER IDENTIFIER
- control field: DNLM
005 - DATE AND TIME OF LATEST TRANSACTION
- control field: 20170606154901.0
008 - FIXED-LENGTH DATA ELEMENTS
- fixed length control field: 790411 n ancnnbabn || ana
040 ## - CATALOGING SOURCE
- Original cataloging agency: DNLM
- Transcribing agency: DNLM
072 ## - SUBJECT CATEGORY CODE
- Subject category code: E7.
- Subject category code subdivision: 796.
- Subject category code subdivision: 250
150 ## - HEADING--TOPICAL TERM
- Topical term or geographic name entry element: Communication Aids for Disabled
450 ## - SEE FROM TRACING--TOPICAL TERM
- Control subfield: nnna
- Topical term or geographic name entry element: TDD
450 ## - SEE FROM TRACING--TOPICAL TERM
- Control subfield: nnna
- Topical term or geographic name entry element: TTY Telephone
450 ## - SEE FROM TRACING--TOPICAL TERM
- Control subfield: nnna
- Topical term or geographic name entry element: Text Telecommunication
450 ## - SEE FROM TRACING--TOPICAL TERM
- Control subfield: nnna
- Topical term or geographic name entry element: Text Telecommunication Devices
450 ## - SEE FROM TRACING--TOPICAL TERM
- Control subfield: nnna
- Topical term or geographic name entry element: Text Telephone
450 ## - SEE FROM TRACING--TOPICAL TERM
- Topical term or geographic name entry element: Augmentative and Alternative Communications Systems
450 ## - SEE FROM TRACING--TOPICAL TERM
- Topical term or geographic name entry element: Communication Aids for Handicapped
450 ## - SEE FROM TRACING--TOPICAL TERM
- Topical term or geographic name entry element: Communication Boards
450 ## - SEE FROM TRACING--TOPICAL TERM
- Topical term or geographic name entry element: Speech Synthesizers
450 ## - SEE FROM TRACING--TOPICAL TERM
- Topical term or geographic name entry element: Telecommunications Devices for the Deaf
450 ## - SEE FROM TRACING--TOPICAL TERM
- Control subfield: nnna
- Topical term or geographic name entry element: Communication Board
450 ## - SEE FROM TRACING--TOPICAL TERM
- Control subfield: nnna
- Topical term or geographic name entry element: Speech Synthesizer
450 ## - SEE FROM TRACING--TOPICAL TERM
- Control subfield: nnna
- Topical term or geographic name entry element: Synthesizer, Speech
450 ## - SEE FROM TRACING--TOPICAL TERM
- Control subfield: nnna
- Topical term or geographic name entry element: Synthesizers, Speech
450 ## - SEE FROM TRACING--TOPICAL TERM
- Control subfield: nnna
- Topical term or geographic name entry element: TTY Telephones
450 ## - SEE FROM TRACING--TOPICAL TERM
- Control subfield: nnna
- Topical term or geographic name entry element: Telecommunication Device, Text
450 ## - SEE FROM TRACING--TOPICAL TERM
- Control subfield: nnna
- Topical term or geographic name entry element: Telecommunication Devices, Text
450 ## - SEE FROM TRACING--TOPICAL TERM
- Control subfield: nnna
- Topical term or geographic name entry element: Telecommunication, Text
450 ## - SEE FROM TRACING--TOPICAL TERM
- Control subfield: nnna
- Topical term or geographic name entry element: Telecommunications, Text
450 ## - SEE FROM TRACING--TOPICAL TERM
- Control subfield: nnna
- Topical term or geographic name entry element: Text Telecommunication Device
450 ## - SEE FROM TRACING--TOPICAL TERM
- Control subfield: nnna
- Topical term or geographic name entry element: Text Telecommunications
450 ## - SEE FROM TRACING--TOPICAL TERM
- Control subfield: nnna
- Topical term or geographic name entry element: Text Telephones
550 ## - SEE ALSO FROM TRACING--TOPICAL TERM
- Topical term or geographic name entry element: Speech Recognition Software
680 ## - PUBLIC GENERAL NOTE
- Explanatory text: Equipment that provides mentally or physically disabled persons with a means of communication. The aids include display boards, typewriters, cathode ray tubes, computers, and speech synthesizers. The output of such aids includes written words, artificial speech, language signs, Morse code, and pictures.
688 ## - APPLICATION HISTORY NOTE
- Application history note: 93; was COMMUNICATION AIDS FOR HANDICAPPED 1980-92 (see under SELF-HELP DEVICES 1980-90)
902 ## -
- : 080523