MARC 21 Concise Format for Bibliographic Data: 008: Continuing Resources (Network Development and MARC Standards Office, Library of Congress)

18 - Frequency (006/01)

One-character alphabetic code that indicates the frequency of an item; used in conjunction with 008/19 (Regularity).

# - No determinable frequency

Used when the frequency is known to be intentionally irregular.

a - Annual

b - Bimonthly

Includes publications whose frequency is 6, 7, or 8 numbers a year.

c - Semiweekly

d - Daily

e - Biweekly

f - Semiannual

Includes publications whose frequency is 2 numbers a year.

g - Biennial

h - Triennial

i - Three times a week

j - Three times a month

k - Continuously updated

m - Monthly

Includes publications whose frequency is 9, 10, 11, or 12 numbers a year.

q - Quarterly

Includes publications whose frequency is 4 numbers a year.

s - Semimonthly

t - Three times a year

u - Unknown

w - Weekly

z - Other

| - No attempt to code

19 - Regularity (006/02)

One-character alphabetic code that indicates the intended regularity of an item; used in conjunction with 008/18 (Frequency).

n - Normalized irregular

Predictable irregularity pattern.

r - Regular

u - Unknown

x - Completely irregular

Used 1) when the frequency is known to be intentionally irregular (008/18 is coded as #); or 2) when the frequency in field 310 is expressed as numbers per year.

| - No attempt to code

20 - Undefined (006/03)

Undefined; contains a blank (#) or a fill character (|).

21 - Type of continuing resource (006/04)

One-character alphabetic code that indicates the type of continuing resource.

# - None of the following

Also used for yearbooks and annual reports.

d - Updating database

l - Updating loose-leaf

m - Monographic series

n - Newspaper

p - Periodical

w - Updating Web site

| - No attempt to code

22 - Form of original item (006/05)

One-character alphabetic code that indicates the form of material in which an item was originally published.

# - None of the following

a - Microfilm

b - Microfiche

c - Microopaque

d - Large print

e - Newspaper format

f - Braille

s - Electronic

| - No attempt to code

23 - Form of item (006/06)

One-character alphabetic code that specifies the form of material for the item being described.

# - None of the following

a - Microfilm

b - Microfiche

c - Microopaque

d - Large print

f - Braille

r - Regular print reproduction

Eye-readable print, such as a photocopy.

s - Electronic

| - No attempt to code

24 - Nature of entire work (006/07)

One-character alphabetic code that indicates the nature of an item if it consists entirely of a certain type of material. If the item can be considered more than one type of material, the types are recorded in 008/25-27 (Nature of contents) and 008/24 position is coded blank (#).

# - Not specified

a - Abstracts/summaries

Abstracts or summaries of other publications.

b - Bibliographies

c - Catalogs

d - Dictionaries

Also includes glossaries or gazetteers.

e - Encyclopedias

f - Handbooks

g - Legal articles

h - Biography

i - Indexes

Index to bibliographical material other than itself (e.g., an indexing journal).

k - Discographies

l - Legislation

Full or partial texts of enactments of legislative bodies or texts of rules and regulations issued by executive or administrative agencies.

m - Theses

Thesis, dissertation, or work identified as having been created to satisfy the requirements for an academic certification or degree.

n - Surveys of literature in a subject area

Authored surveys that summarize what has been published about a subject

o - Reviews

Critical reviews of published or performed works (e.g., books, films, sound recordings, theater, etc.).

p - Programmed texts

q - Filmographies

r - Directories

s - Statistics

t - Technical reports

u - Standards/specifications

v - Legal cases and case notes

w - Law reports and digests

z - Treaties

Treaties or accords negotiated between two or more parties to settle a disagreement, establish a relationship, grant rights, etc.

| - No attempt to code

25-27 - Nature of contents (006/08-10)

Up to three one-character alphabetic codes (recorded in alphabetical order) that indicate that a work contains certain types of materials. If fewer than three codes are assigned, the codes are left justified and each unused position contains a blank (#).

# - Not specified

a - Abstracts/summaries

Abstracts or summaries of other publications.

b - Bibliographies

c - Catalogs

d - Dictionaries

Also used for a glossary or a gazetteer.

e - Encyclopedias

f - Handbooks

g - Legal articles

h - Biography

i - Indexes

Index to bibliographical material other than itself (e.g., an indexing journal).

k - Discographies

l - Legislation

Includes of full or partial texts of enactments of legislative bodies, published either in statute or in code form, or texts of rules and regulations issued by executive or administrative agencies.

m - Theses

Thesis, dissertation, or work identified as having been created to satisfy the requirements for an academic certification or degree.

n - Surveys of literature in a subject area

Includes authored surveys that summarize what has been published about a subject

o - Reviews

Includes critical reviews of published or performed works (e.g., books, films, sound recordings, theater, etc.).

p - Programmed texts

q - Filmographies

r - Directories

s - Statistics

t - Technical reports

u - Standards/specifications

v - Legal cases and case notes

w - Law reports and digests

z - Treaties

Includes treaties or accords negotiated between two or more parties to settle a disagreement, establish a relationship, grant rights, etc.

||| - No attempt to code

28 - Government publication (006/11)

One-character alphabetic code that indicates whether an item is published or produced by or for an international, national, provincial, state, or local government agency, or by any subdivision of such a body, and, if so, the jurisdictional level of the agency.

# - Not a government publication

a - Autonomous or semi-autonomous component

c - Multilocal

f - Federal/national

i - International intergovernmental

l - Local

m - Multistate

o - Government publication-level undetermined

s - State, provincial, territorial, dependent, etc.

u - Unknown if item is government publication

z - Other

| - No attempt to code

29 - Conference publication (006/12)

One-character numeric code that indicates whether an item consists of the proceedings, reports, or summaries of a conference.

0 - Not a conference publication

1 - Conference publication

| - No attempt to code

30-32 - Undefined (006/13-15)

Undefined; each contains a blank (#) or a fill character (|).

33 - Original alphabet or script of title (006/16)

One-character alphabetic code that indicates the original alphabet or script of the language of the title on the source item upon which the key title (field 222) is based.

# - No alphabet or script given/No key title

May relate to the title proper in field 245 when no key title is present.

a - Basic Roman

Includes no diacritics or special characters.

b - Extended Roman

Includes diacritics and special characters.

Used if the language itself has diacritics even if the title in hand does not contain any characters from the extended alphabet.

c - Cyrillic

d - Japanese

e - Chinese

f - Arabic

g - Greek

h - Hebrew

i - Thai

j - Devanagari

k - Korean

l - Tamil

u - Unknown

z - Other

Also used when the title incorporates words from more than one alphabet or script.

| - No attempt to code

34 - Entry convention (006/17)

One-character numeric code that indicates whether the item was cataloged according to successive entry, latest entry, or integrated entry cataloging conventions.

0 - Successive entry

New bibliographic record is created each time 1) a title changes, or 2) a corporate body used as main entry or uniform title qualifier, changes. The earlier or later title or author/title is recorded in a linking field (field 780/785) on each record.

1 - Latest entry

Cataloged under its latest (most recent) title or issuing body (pre-AACR cataloging rules). All former titles and/or issuing bodies are given in notes (fields 247, 547, and 550).

2 - Integrated entry

Cataloged under its latest (most recent) title and/or responsible person or corporate body. Used for integrating resources and electronic serials that do not retain their earlier titles.

| - No attempt to code

008 - Continuing Resources (NR)