Frequency. Present publishing frequency such as monthly, annual, biennial, etc.
Publication Date. Dates enclosed in parentheses are publication dates for monographs. In some cases where there is no date on the publication, dates have been taken from Government Printing Office (GPO) catalog records. These dates are fol- lowed by a question mark (?) in accordance with GPO cataloging practice. Such dates are estimates. Beginning dates, given for serials, may be either publication dates or dates of coverage. Dates not positively determined are omitted.
Agency. The government agency that presently issues the publication. Complete agency hierarchy is given, taken whenever possible from the title page or cover of the publication.
Series. Series information is included when ap- plicable.
Superintendent of Documents Classification Number (SuDocs Number). The present SuDocs number is given. If the number has been recently changed, an earlier classification number may be shown, but no attempt is made to provide a com- plete SuDocs number history. In cases where a title recurs in a series along with other titles, the exact SuDocs number of the most recent issue or edition as of this writing is included in a parenthetical statement following the SuDocs number.
Notes. Additional notes of various kinds are added as needed. These notes may relate to the history of the source or to variations or special features of the publication.
Item Number. Item numbers are used for selec- tion by depository libraries. When followed by the notation "MF," the item is designated to be sent to depositories on microfiche. However, this does not necessarily mean that all titles under the item number are on microfiche. The "MF" designation is, in some cases, recent; earlier publications may be in paper and newer ones on microfiche. Some series contain a current mixture of paper and microfiche material. Others are offered to deposi- tories in either format with the choice left up to the individual library. In such cases, two item num- bers are indicated, only one of which is followed by the "MF" designation. In summary, the "MF" designation indicates only that the title may be available in microfiche.
ASI Abstract Number. For titles appearing in the American Statistics Index (ASI), the abstract number is given, for two reasons: (1) some libraries own the ASI microfiche collection and have these publica- tions arranged by the ASI number, and (2) addi- tional information about the publication that a user may find helpful may be found in the ASI abstract. Only sources that are primarily statistical in nature will appear in ASI and thus have an ASI abstract number.
For monographic publications, the year of ASI is given, followed by the abstract number, for example, ASI (90) 5606-2. For recurring publica- tions, no year is given. Many publications retain the same ASI number over the years, so abstract numbers may be checked in any ASI annual, de- pending on time period desired. There are some exceptions to the practice of maintaining the same number, but because of the complexity of listing the complete ASI number history, usually only the current abstract number is given.
For Sale by GPO. Items for sale by the Govern- ment Printing Office are indicated by the designa- tion "GPO." In the case of a series, the GPO desig- nation indicates that at least some of the latest items in the series are available for sale. Availabil- ity from GPO may vary, as items go in and out of stock. Occasionally the designation NTIS is given instead of GPO. This indicates that the publication is available for sale from the National Technical Information Service.
Coverage. "Coverage" indicates geographic cov- erage and is used primarily with statistical sources. Terms used are usually those found within the source itself. If no coverage note appears, geo- graphic breakdowns are not particularly relevant to the source. Coverage refers to the geographic coverage as it relates to the topic under discussion, not necessarily to the geographic coverage of the source as a whole.
Content. Content notes briefly summarize a title's contents as they relate to the topic under consider- ation. Content notes for the same source will vary from chapter to chapter, depending on the topic being discussed. Content notes do not usually appear when title, context, or arrangement in the chapter make the content clear. Notes reflect cur- rent content and may not accurately describe con- tent of older issues; format and content may change substantially over the years.
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Questia, a part of Gale, Cengage Learning. www.questia.com
Publication Information: Book Title: Using Government Information Sources: Print and Electronic. Contributors: Jean L. Sears - author, Marilyn K. Moody - author. Publisher: Oryx Press. Place of Publication: Phoenix. Publication Year: 1994. Page Number: 4.
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