MARC 866 Textual Holdings--Basic Bibliographic Unit
 This article contains text copied from legacy files and may or may not reflect current information.
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MARC field 866 in the holdings format contains textual description of the holdings of a basic bibliographic unit. At the Folger, it is used for recording multiple physical units belonging to one copy (for example, multi-volume sets), as well as supplements and indexes.
Commonly-used tags
First indicator: Field Encoding Level
4 - Holdings Level 4
Second indicator: Type of notation
1 - ANSI/NISO Z39.71 or ISO 10324
Policy and formulation
The standards for recording holdings statements is covered by ANSI/NISO Z39.71-2006, Holdings Statements for Bibliographic Items. Folger policy decisions are recorded here.
Recording the extent (4.3). Generally, we will use level 4, or detailed extent of holdings information. This level is reflected in the use of first indicator ‘4’ in field 866 (in contrast to earlier practice), and second indicator “1”. See the policy document on multi-volume monographs or for updating periodical holdings for more information on the field tags and indicators.
Adjacent display (5.5.1.4). We will use the adjacent display of enumeration and chronology data and will repeat the caption. Please note that no spaces are used to separate the elements.
v.1(1901)-v.5(1905)
When the basic bibliographical unit is expressed in terms of enumeration only, do not repeat the caption.
v.1-5
Sublevels (5.5.4.1). Lower levels of either enumeration or chronology are separated by a colon from the main level.
v.10:no.1(1910:Jan.)-v.10:no.9(1910:Sep.) v.1:no.1(1994:spring)-v.3:no.4(1996:autumn)
Captions (5.5.4.2). Use the caption associated with enumeration, in an appropriate abbreviated form, used in the piece itself. In general, translate captions to English, unless abbreviation of original language caption is necessary for clarity. Keep ‘anno’ as a designation if used on the piece. Do not supply captions if the parts of a unit do not use them.
v.1:no.3 [item has Bd. 1, Nr. 3] Bd.1:T.1:Nr.3
Dates (5.5.5.2). Always record all four digits of the year. Use a forward slash as a separator if the chronology data for a single bibliographic unit spans a non-calendar year or more than one year.
1989/1990 [non-calendar year or biennial] 1990/1992 [triennial] 1992/1993-1999/2000 [8 sequential issues of a non-calendar year designation]
Record months, seasons and days in the language in which they appear on the source, abbreviated in accordance with AACR2.
1989:Jan. 1987:juil. 1993:mid-Sept.
A space should be used after months that do not require abbreviation (according to AACR2 - May, June, and July), as there is no mark of punctuation present to separate month and date.
1650:May 3 1986:July 17
Multiple enumerations (5.5.4.4). For an alternative scheme of enumeration in addition to a regular scheme, as, for example, in a serial with both volume and part numbering and continuously sequential numbering, record both schemes providing the alternate scheme is regular, separated by an equal sign. If the alternate scheme is confusing or has non-gap breaks, do not record it.
v.1(1995)-v.7(2000/2001)=no.1-28/29
Gaps (5.5.1.5). Distinguish between a gap in the library’s holdings (gaps) and a break or discontinuity in the publisher’s numbering (non-gap breaks). Use a comma to indicate gaps.
v.1-3,5
Use a semi-colon to indicate a non-gap break.
v.1(1980)-v.4(1983);v.6(1985) [v.5 never published] no.1-8;v.3(1995)-v.5(1997) v.1(1900)-v.67(1966);new ser.:v.1(1967)-v.19(1985);ser.3:v.1(1986)-v.15(2000)
It is often preferable, for clarity’s sake, to start a new 866 field in the MARC holdings screen after a gap or a non-gap break. This creates the display on a new line in the OPAC.
866 41 |8 0 |a v.1(1967), 866 41 |8 0 |a v.32(1999)-v.33(2000)
Ending punctuation. No punctuation follows the closing enumeration.
v.1-105
One will see a variety of different styles of recording holdings information currently in Voyager holdings records. This is because the department has not until now had a prescribed style for doing so, exacerbated by the quick work done by a number of different people during retrospective conversion. Whenever feasible, change older styles of recording holdings to the style prescribed in this document as they are encountered.