<http://www.northeast.railfan.net/> Extensive collection of Northeastern US railroad pictures by Clint Chamberlin
<http://www.enter.net/~lvrr/> Lehigh Valley railroad page by James Mack
<http://lvrr.com> A Lehigh Valley site by John Campbell
<http://www.gingerb.com> A site featuring many vintage CNJ,LV,L&NE and L&HR photos in Pennsylvania.
<http://www.rr-fallenflags.org/> George Elwood's site with tons of photos
<http://www.readingrailroad.org/> The Reading Company Technical & Historical Society page. Perhaps the best group in the country.
<http://www.joshuakblay.com> Ever wonder what happened to some of the diesels on these pages? This site has the answers
<http://www.pcrrhs.org> The Penn Central Historical Society web site
<http://www.sjrail.com> See lots of today's action in southern New Jersey, with several surprises.
http://www.anthraciterailroads.org <http://www.arhs.railfan.net> Home page for the Anthracite Historical Society. Features CNJ, LV, Reading, Lackawanna and others.
<http://www.morscher.com/rr_index.htm> Site with an extensive collection of images from 1977 to the present.
<http://users.silcon.com/~lgoss/Homepage.htm> A site full of Maine Central, Bangor and Aroostook images by Larry Goss.
http://www.raritanriverrailroad.com> The official web site for the Raritan River Railroad in New Jersey by Joe Durnya.
http://www.sullboat.com/GT.htm> A new website with an extensive history on the Grand Trunk of New England by Tim Sullivan.
http://www.berwickrailfan.webs.com/> A nice collection of images and news items from Central Pennsylvania