Old, so may contain obsolete information.
Note: I have written very little of the material in the FAQ myself, but I maintained the FAQ for some years. I wrote the short history of model railroading. Regarding some of the other subjects, I'm not an expert at all (especially using computers on model railways).
You can also use the usenet archive at Google to search for articles in the usened discussion group rec.models.railroad.
You can use Google to search the rest of the web for information: