The call number, the number placed on the spine of the book, is a code that provides valuable information about the book. SLU Libraries use the Library of Congress system to organize materials ...

Rev. ed. of: Classification. Class C. Auxiliary sciences of history. 4th ed. 1993.

For many years, the Library of Congress categorized many of its books under a controversial subject heading: “Illegal aliens.” But then, on March 22, 2016, the library made a momentous decision, ...

"The additions and changes in Class Q, adopted while this work was in press will be cumulated and printed in List 234 of LC classification-- additions and changes"--Verso t.p. "Incorporate changes ...