MARC Machine Readable Cataloging Presentation by Khalid Mahmood

MARC Machine Readable Cataloging Presentation by: Khalid Mahmood Dept. of Library & Information Science, Punjab University, Lahore 1

FIELD Group of one or more data elements defined and manipulated as a unit. e. g. Title Field Imprint Field Series Field 2

TAG Labels for fields. e. g. 245 260 Title Proper Imprint 3

INDICATORS Two characters at the beginning of each field. They provide additional information about the field. e. g. 245 Title Proper Indicator 1 0 No title added entry 1 Title added entry Indicator 2 0 -9 Non-filing characters 4

SUBFIELD Data elements within fields. e. g. Imprint field contains: Place of Publication Publisher Date of Publication Shown as: $a, $b, $x 5

REPEATABLE FIELD A field that may occur more than once in a record. e. g. Author Field Subject Field 6

RECORD The collection of fields containing all data elements of a given unit of information. e. g. A Book A Map A Serial Title 7

LEADER Data elements that provide information for the processing of the record. Contains numbers or coded values. Fixed length of first 24 characters. Generated automatically by computer. 8

LEADER 00 -04 05 06 07 08 09 10 11 12 -16 17 18 19 20 21 22 23 Logical record length Record status Type of record Bibliographical level Type of control Undefined Indicator count Subfield code count Base address of data Encoding level Descriptive cataloging form Linked record requirement Length of the length-of-field portion Length of the starting-character-position portion Length of the implementation-defined portion Undefined 9

DIRECTORY A series of entries that contain the tag, length, and starting location of each variable field within a record. Contains 12 characters for each field. Constructed automatically. Tag 050 Field length 0012 Starting character position 00056 10

VARIABLE FIELDS 0 XX 1 XX 2 XX 3 XX 4 XX 5 XX 6 XX 7 XX 8 XX 9 XX Control information, numbers, codes Main entry Titles, statement of responsibility, edition, imprint Physical description Series statements Notes Subject added entries Added entries other than subject or series Series added entries Local use 11

MARC FILE 01054 nam 2200325 a 4500001000700000005001700007008004100024035002100065906004500086 0100017001310200013001480250014001610400018001750430012001930500 0080020508200320021310000160024524501080026125000120036926000290 0381300002500410500004700435500005100482500002000533650003500553 650006200588700001800650985001200668991004800680� 495395� 1985061900 0000. 0� 850119 s 1984 ii 001 0 eng � � 9(DLC) 849030 �a 7� bcbc� corignew�d 2� encip�f 19� gy-gencatlg� �a 84903078 � a. I�c. Rs 100. 00� E 48429� a. DLC� � c. DLC� d. DLC�aa-ii---� 00� � a. LAW� 00�a 343. 5405/32�a 345. 403532� 219� 1 a. Seth, H. B. � 10� a. Hindu undivided family under direct tax cbylaws H. B. /� Seth and B. G. Gandhi ; foreword by M. S. Yajnik. � �a 2 nd a. Indore ed. �: � b. Wadhwa, �c 1984. � � axl, � 307 p. ; �c 25�a. Spine cm. � title: H. U. F. under direct tax laws. � �a"Lates upto May 1984": p. [xxix]-xl. � a. Includes � index. � a. Joint 0�family� x. Taxation� z. India. � 0� a. Inheritance and transferx. Law tax�and legislation� z. India. � 1 a. Gandhi, � B. G. � e. APF/OVR�bc-LL� � � h. LAW INDI Seth 1984 t. Copy � 1� w. BOOKS�� 12

DATA ENTRY IN MARC 13

DATA ENTRY IN MARC 14

OUTPUT IN MARC 15

WHY MARC FORMATS DIVERGE? u Purpose of development u Different cataloguing standards u Different subject control and classification systems u Different official languages u Different language scripts u Different character sets and codes u Technical differences 16