Australian mail service; all sea routes discontin except for seamen's letters, 1887-1891 Unit ID: 521/Pkt.356R/1891 Date: 1887/1891
Australian mail service; comparison of performance of P.& O. Co. and Orient Line, 1880-06-28 Unit ID: 153/438-41 Date: 1880-06-28
Australian mail service; contracts with Peninsula and Oriental Steam Navigation Co. and Orient Line, 1887-1888 Unit ID: 462/Pkt.4080/1888 Date: 1887/1888