The Dock and harbour authority.

v.30 1949-1950; v.31 1950-1951; v.32 1951-1952; v.33 1952-1953; v.34 1953-1954; v.35 1954-1955; v.36 1955-1956; v.36 no.423-426; v.37; v.37 1956-1957; v.38; v.38 1957-1958; v.39; v.39 1958-1959; v.40; v.40 1959-1960; v.41; v.41 1960-1961; v.42; v.42 1961-1962; v.43; v.43 1962-1963; v.44; v.44 1963-1964; v.45; v.45 1964-1965; v.46; v.47; v.48; v.49; v.50; v.51; v.52; v.53; v.54 no.631-638; v.54 no.639-642; v.55 no.643-654; v.57 no.666-673; v.57 no.674-678; v.58 no.679-685; v.61; v.61 1980/1981; v.62; v.62 1981/1982; v.63; v.63 1982/1983; v.64; v.64 1983/1984; v.65; v.65-66 1984-1986; v.66; v.67; v.67-68 1986-1988; v.68; v.69-70 1988-1990; v.69 no.801-807; v.70 no.808-814; v.70 no.815-v.71 no.823; v.71 1990-91; v.71 no.824-829; v.72 1991/1992; v.72 no.830-837; v.73 1992/1993; v.73 no.838-842; v.74 1993/1994; v.74 no.843-849; v.75 1994/1995; v.75 no.850-859; v.76-77 1995-1997; v.76 no.860-864; v.76 no.865-868; v.77 no.869-874; v.77 no.875-v.79 no.881; v.78 1997/1998; v.79-80 1998-2000