Clasificación de la Biblioteca del CongresoCD974.4

18th century(19) administration(13) American(24) Apologetics(23) Apple(7) archives(1,447) archivist(26) archivists(20) army(26) bibliography(44) books about books(26) case studies(12) Catholicism(24) Christmas(29) church(28) conservation(10) conversion(9) country(43) digital(14) Ecclesiastical(7) England(123) ethics(24) folk(26) genealogy(698) General Reference(8) grad school(15) graduate(6) Great Britain(21) guide(41) handbook(12) help(8) historiography(35) history(380) how-to(24) indie rock(5) internet(11) jazz(52) land(20) libraries(83) library science(205) management(26) manuscripts(88) maps(14) Maryland(25) memory(10) military(144) mlis(19) museums(29) music(409) musical(19) musicals(10) photographs(31) piano(19) pop(72) popular music(11) professional(18) professional development(8) reference(289) religion(69) research(80) resources(12) rock(68) school(21) soundtrack(45) Special Collections(8) uk(18) usa(59) Vatican(28) Vatican City(5) violin(23) Virginia(44) web 2.0(24)