Balkan railways : through routes /
[London : G.H.Q., M.E.,
1944]
"A 281/46 M.I.(T). "
M.D.R. Misc. 7982.
"Reproduced by 17 Map Reproduction Sec. R.E."
"Annexure and key to the M.I.(T) summary of Balkan railways No.2"