Library of Congress. Subject Cataloging Division & Voegelein, L. B. Classification. Class C: Auxiliary sciences of history (2d ed.).
Citación estilo ChicagoLibrary of Congress. Subject Cataloging Division and L. Belle Voegelein. Classification. Class C: Auxiliary Sciences of History. 2d ed.
Cita MLALibrary of Congress. Subject Cataloging Division and L. Belle Voegelein. Classification. Class C: Auxiliary Sciences of History. 2d ed.
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