Class Divisions In Information Gathering Among Historians Acting As Public Intellectuals

I've noticed that some professional historians who write regularly as public intellectuals cite subscription print sources (i.e. CHE, New Yorker, The Atlantic) more often than non-subscription online sources. I can't back this up with specific historians, writings, or weblog posts right now, but it's a sense that's been building in me over the past two years. I suppose it might also just be the