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Library Collection Help for
Biography & Genealogy

Library of Congress Classification System

The Carnegie Library of Pittsburgh uses the Library of Congress Classification System. The Library of Congress offers an overview of the classes. See our Library Subject Guide for more help with Subject Headings.

Subject Area LC Class
Actors & Actresses PN 2287
PN 2205-2217
African Americans
E 185
Afro-American Music and Musicians ML
(Search by name)
CT 274-3260
Biography: American
Authors, Playwrights & Poets
PS 705-7826
Biography: English
Authors, Playwrights & Poets
PR 1585-8964
Biography: Dancers GV 1785
Biography: Motion Picture Actors & Actresses PN 2287
Biography: Musicians ML 385-429
Biography: Painters (American) ND 237
Biography: Painters (French) ND 553
Biography: Painters (Italian) ND623
Biography: Presidents & Famous Statesmen in American History E 186-877
F 1-912
Biography: Scientists Q 141
Q 143
Genealogy CS
Heraldry CR
Italian Americans  
Mexican Americans  
Names - Personal
CS 2300-2389
Native Americans
(Indians of North America)
E 77-99
Pennsylvania -- Biography  
Pittsburgh African American
Pittsburgh African Americans
United States -- Biography  
World War 1939-1945 -- Biography