National Geographic Brockway Brookville Clarion Franklin Knox New Bethlehem Oil City Punxsutawney Reynoldsville Rimersburg Sykesville Summerville	0027-9358 1953 - 1959 (sporadic) 1960 - Present 1953 - 1959 (sporadic), 1960 -Present 2 years 3 years 2 years 3 years 1894 - Present 1959 - Present 1916 - 1997, 2000 - Present 3 years 2 years	National Geographic Adventure Oil City	1523-6226 2 years
National Geographic Traveler Brockway Brookville Cooperstown	0747-0932 3 years 5 years 2 years
National Geographic World Brockway Brookville Clarion Cooperstown Franklin Oil City Reynoldsville Rimersburg	0361-5499 5 years 5 years 2 years 3 years 3 years 5 years 5 years 3 years	National Parks Punxsutawney	0276-8186 3 years
National Review Brockway Knox Oil City	0028-0038 4 years 2 years 5 years	National Wildlife Franklin Oil City Summerville	0028-0402 3 years 5 years 2 years
Native People Summerville	0047-9144 2 years
Nation's Business Franklin Oil City	0028-047X 3 years 1 year (Last Issue June 1999)	Natural Health Clarion Summerville	1067-9588 2 years 2 years
Natural History Brookville Franklin Oil City Punxsutawney Reynoldsville	0028-0712 5 years 3 years 5 years 3 years 1995 - 1998	Naval History Franklin	1042-1920 3 years
Network World Rimersburg	1 year	New Age Clarion	0047-9500 2 years
New Choices for Retirement Living Clarion Oil City Reynoldsville	1061-2157 2 years 2 years 1997 - Present	New Republic Oil City	0028-6583 5 years