TY - GEN digital ID - 139414831 TI - Signals, sailing directions, and notices, relating to the port of Sunderland AU - River Wear Commissioners (Sunderland, England) AU - Gale Cengage Learning PY - 1850 PB - [England? s.n.] DB - UniCat KW - Harbors -- England -- Sunderland KW - Signals and signaling -- England -- Sunderland UR - https://www.unicat.be/uniCat?func=search&query=sysid:139414831 AB - ER -