1953- Readex converted into microprint "many, but not all, of those United States Government publications not designated to be sent to depository libraries, consisting "of approximately 12,000 items annually, which, for the most part, are not printed by the Government Printing Office, but are produced independently by the issuing agency ..."--Readex Microprint Corp. catalog, 1979-1980."
2-3 year time lag between listing in Monthly Catalog and receipt of microprint.
Colleen: "In off-campus dead storage. Took up 2 whole rows top to bottom at the Annex. Would have taken too much space at ReCAP."
1964- Technical reports of government-sponsored research.
Guide to U.S. Government Publications Z1223.Z7A574, p. 277
Some depository (Item no.), some not.
Search for Office of Naval Research under Author Affiliation
Results: 8386 records in NTIS for 1899-2011
1946-September 30, 2004 Library of Congress assisted libraries in "obtaining documents that were not distributed through the Federal Depository Library Program, not for sale by the Government Printing Office, and not available directly from the publishing agency." Wikipedia Initially started after WWII to distribute formally classified documents.
Regional libraries paid annual subscription to get non-GPO documents. "Suggestions to GPO" from Federal Documents Task Force, ALA GODORT, 2/5/1973 Documents to the People, vol. 1, no. 3, May 1973, p. 25
Example: January, 1976, no. 972, How to Order Publications, p. 6 and Current Population Report Series P-20 entry 00173, p. 28. "Marital Status and Living Arrangements" 1974 (Current Population Reports: P-20 Population characteristics. no. 27)
Census Bureau site has 1994-1998. From 1999 forward "These reports have been combined with the former "Households and Families" reports, please see the new reports, America’s Families and Living Arrangements."
Waiting for someone to post copy.
Current Population Report Series P-20
Microfilm S00563. Library has: No. 54-64. For bound holdings see: HA195.A2 and (SPR) HA195.A2
Firestone: No. 1-547 LACKS: no. 2-7, 13, 16-17, 19-21, 33-55, 303, 360, 362, 394-397, 399-404, 490, 511, 517, 524, 541, 546
CURRENT ISSUES IN: Government Documents Collection (DOCS) C 3.186:P-20
Stokes: No. 1-426, no. 436-no. 516. Lacks: no. 124, 335, 483, 490
In Basic Search, type "current population reports p-20." Sort by date to get to 1974. Record Number: 1974 ASI 2546-1