Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
625.1/65/0973 Yepsen, Roger B. Train talk : an illustrated guide to lights, hand signals, whistles, and other languages of railroading / by Roger Yepsen. - 1st ed.. - New York : Pantheon Books, c1983. 85 p. : ill. ; 22 cm. 039485750X 9780394857503 0394957504 (lib. bdg.) 9780394957500 (lib. bdg.) * Railroads - Juvenile literature. Railroads. Railroads - Signaling. Signals and signaling.
