Author J. E. Chacksfield. The Drummond Brothers, A Scottish Duo.
THE DRUMMOND GREYHOUNDS OF THE LSWR DL BRADLEY DAVID & CHARLES 1977 1st Edition
Woodland Scenics A2548 G The Bumm Brothers G Gauge
LSWR Locomotives: The Drummond Classes by D. L. Bradley, 1986 1st Ed, Wild Swan
Locomotives Illustrated Magazine No 44 - The Drummond 4-4-0s & Double Singles
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Texas A&M University Press The Quanah Route: A History of the Quanah, ACME & Pac
