Sad to know of Robert L. Hundman’s passing…he did so very much for the hobby…

Here is a downloadable index of Mainline Modeler Steam Locomotive articles which would be appropriate for the 1935-1945 era:

1935-1945-era-mainline-modeler-index-steam-locomotivesDownload

And, here is a downloadable index of Mainline Modeler Diesel locomotive articles which would be appropriate for the 1935-1945 era:

1935-1945-era-mainline-modeler-index-diesel-locomotivesDownload