Introduction to Red Book: Abbreviations
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This entry was originally written by Alice Eichholz, Ph.D., CG for Red Book: American State, County, and Town Sources.
The following abbreviations are used throughout the text:
AISI: Accelerated Indexing Systems International of Bountiful, Utah.
BLM: Bureau of Land Management (see GLO).
DAR: Daughters of the American Revolution.
FHL: Family History Library in Salt Lake City, Utah.
GLO: General Land Office (became the BLM in 1946).
IGI: International Genealogical Index.
M### (also T###): A capital T or M followed by a number is the reference for a National Archives microfilm.
NARA: National Archives and Records Administration.
OCLC: On-line Computer Library Center.
USGS: United States Geological Survey.
WPA: Works Progress Administration (also Work Projects Administration).