What is the Library of Congress Control Number?
Q: What is the Library of Congress Control Number?
A: The Library of Congress Control Number is a number given to an item in the Library of Congress.
Q: What is the purpose of the Library of Congress Control Number?
A: The purpose of the Library of Congress Control Number is to identify items in the Library's collection.
Q: Is the Library of Congress Control Number based on a classification system?
A: No, the Library of Congress Control Number is not based on a classification system.
Q: When did the numbering system for the Library of Congress Control Number begin?
A: The numbering system for the Library of Congress Control Number began in 1898, and it was called the Library of Congress Card Number.
Q: Why did the Library of Congress introduce the number to identify sets of cards?
A: The Library of Congress introduced the number to identify sets of cards, including those that could be sold to other libraries.
Q: Do librarians around the world still use the Library of Congress Control Number?
A: Yes, librarians around the world still use the Library of Congress Control Number, especially when identifying books published in the United States.
Q: What are the two parts of the Library of Congress Control Number?
A: The two parts of the Library of Congress Control Number are the first is a two digit number based on the year, and the second is the next number in the series, written as a six digit number. Since 2001, the year has been written as a four digit number.
