This lot includes four reference books for Lionel Trains collectors mostly relating to prewar standard gauge trains.  Titles include: Standard Catalog of Lionel Trains 1900-1942, Greenberg's Guide to Lionel Trains 1901-1942 Volume III Accessories, Lionel Standard of the World 1900-1943 Trains, and O'Brien's Collecting Toy Trains.  All are in excellent used and read condition.  Minor wear, finger printing and such.  Books are clean, un-torn and ready for the library.  Please view photos for best details.