Accession Number:

AD0632600

Title:

DDC DESCRIPTOR FREQUENCIES

Descriptive Note:

Corporate Author:

DEFENSE DOCUMENTATION CENTER ALEXANDRIA VA

Report Date:

1966-05-01

Pagination or Media Count:

53.0

Abstract:

This publication summarizes the frequency of use of the 7144 descriptors currently authorized for indexing technical reports in the AD collection. The descriptors are arranged alphabetically in the first section and by frequency in the second section. The frequency data cover about 427,000 AD documents spanning the interval from March 1953 through March 1966. Author

Subject Categories:

  • Information Science

Distribution Statement:

APPROVED FOR PUBLIC RELEASE