Railroad and Model Railroad Links
State and National Model Railroad Organizations
National Model Railroad Association
NMRA Division 8 - Lone Star Region
NTRAK Modular Railroading Society
RailServe
Houston Area Model Railroad Clubs
All Points North Model Railroad Association
East Texas & Gulf Rail Modelers Association
Galveston County Model Railroad Club
Houston Area Live Steamers
Houston N'Crowd
Houston S Gaugers Model Railroad Club
Houston Tinplate Operators Society
Northwest Crossing Model Railroad Club
San Jacinto Railroad Club Members Websites
Colorado & Western
Denver & Rio Grande Western - Spring Division
The Great Great Northern Railway
The Great Northern Flyer
UPIT Railroad
Railroad Historical Societies
Baltimore & Ohio Railroad Historical Society
Chesapeake & Ohio Historical Society, Inc
Great Northern Railway Historical Society
Illinois Central Historical Society
Kansas City Southern Historical Society
MKT "Katy" Railroad Historical Society
Missouri Pacific Historical Society
New York Central Historical Society
Pennsylvania Railroad Technical & Historical Society
Rio Grande Modeling & Historical Society
Santa Fe Railway Historical & Modeling Society
Southern Pacific Historical & Technical Society
Union Pacific Historical Society
History of Trolley, Trams and Streetcars
Railroad History: Who Constructed Railroads?
New to Model Railroading?
This link does a good job covering the basic of the hobby!