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Library of Congress Classification
PN4699-5650 Journalism. The periodical press, etc.
PN4735-4748 Relation to the state. Government and the press.
Liberty of the press
PN4775-4784 Technique. Practical journalism
PN4825-4830 Amateur journalism
PN4832-4836 Magazines and other periodicals
PN4840-5648 By region or country
PN5650 The Jewish press