Interurbans in World War II by Harold Ahlstrom. The friends of 4935 by RL Eastwood.
NRHS Bulletin, 1936 - 1970 Cumulative Index, Volumes 1 -35. 1972 Supplement
NRHS Bulletin, V. 21, No. 4, 4th Quarter 1956.
NRHS Bulletin, V, 41, No.6, 1976. AD&N, Portland Maine, Alaska RR
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NRHS Bulletin 1954 V19 #2 Columbia Branch Model Dinner Interlocking Tower
