I haven't seen mention, yet of the fine books by Henry Greenly. His books on
Modelmaking invariably include some plans for No. 1 gauge spirit fired live
steam models , both locomotive and stationary. He designed some of
Bassett-Lowke's "O" gage steamers, and No.1 gauge all the way up to the 15"
gauge Romney, Hythe and Dymchurch Rwy. Whish is still running a a real common
carrier.
Also check your library for back issues of the ModelMaker Magazine published
in NYC from the early 1920's through the 1940's. LBSC published several
construction articles.
Lindsay Technical books have reprints of Raymond Yates books on modelmaking
also. While not detailed enough to build a whole model, they contain some
good ideas.
Keith Taylor