"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 ...

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, ...

Imagine you wanted to find books or journal articles on a particular subject. Or find manuscripts by a particular author. Or locate serials, music or maps. You would use a library catalog that ...

Rev. ed. of a portion of: Classification. Class P, subclasses PJ- PM, Washington, 1935, reprinted 1965. "The additions and changes in Class P, subclasses PJ-PK ... will be cumulated and printed in ...