Newton K Gregg

• Train Shed Cyclopedia, No. 80
• Train Shed Cyclopedia No. 5 Gondolas and Hoppers
• Train Shed Cyclopedia No. 52 Steam Locomotives from the 1919 Steam Locomotive Cyclopedia (Part1)
• Train Shed Cyclopedia No. 60 Locos 40's & 50's (Diesel) Part 8
• Train Shed Cyclopedia No. 72 - Locomotive Drawings & Boilers (Part 2)
• Train Shed Cyclopedia No. 76 Cow Catchers, Cabs & Fittings, Plus Tenders (Part 4)
• Train Shed Cyclopedia No. 83 Freight Car Construction Details Industrial & Export Cars (Part 7) 1943
• Train Shed Encyclopedia No 26
• Train Shed No. 58 Locos of the 40's & 50's (Diesel) Part 7