3. Western Australia, Trip to Dongara with D.L. Serventy and A.H. Lendon, cont'd from Vol. 2, 25 July 1954-1 June 1955 ;
4. Western Australia, Perth to Lake King, Rottnest Island; NSW, Griffith and Sydney,   3 June 1955- 29 Feb 1956 ;
5. Western Australia, metropolitan Perth, e.g. Hyde Park, Crawley; several trips to Rottnest Island ; northeastern wheatbelt ; 26 Mar 1956 - 13 July 1957 ;
6. Western Australia, e.g. several trips to Rottnest Island, Geraldton, Moore River,  11 Aug 1957 -15 Aug 1958 ;
7. Western Australia, Field notes and logbook covering several trips including to Rottnest Island, Perth to Adelaide, Wialki, southwest and south coast, 24 Aug 1958 - June 1959 ; supplementary note referring to sighting of Ground Parrots by A.J. Jeapes ;
8. Western Australia, Field notes and logbook covering several trips including to Wialki, Wallabi Islands and Abrolhos Islands, Rottnest Island, Garden Island, Kalgoorlie, Dryandra Forest, Lancelin, 13 June 1959-28 Jan 1960 ; extracts of reptiles and mammals are included ; continued in Volume 9 ;
9. Western Australia, Field notes and logbook, referring to birds and reptiles, covering several trips including  to Kathleeen Valley, the Abrolhos Islands, the de Grey River 28 Jan 1960-1 Mar 1961 ;
10. Western Australia, Field notes and logbook of birds and summaries of reptiles and frogs covering several trips including to the Pilbara, Cape Leeuwin,  May-Aug 1961 ;
11. Trip to Warburton Range with D.L.S., Midland Junction - East of Gascoyne Junction, 22 Aug-Nov 1961;
12. Pilbarra trip continued from above, Murchison River round trip, Nov 1961-4 Nov 1962 ;
13. Pilbarra Trip continued from above, Murchison River - Bindoon Hill, Oct 1962-9 Oct 1964 ;
14. Western Australia, Trip to Central Australia continued from Volume 13; Cundelee Mission, Lake Magenta, Mount Lesuer, Kimberley and the Northern Territory,  6 Oct 1963-9 Oct 1964 ;
15. Summary of reptiles Kimberley, N.T., S.A., Trip, Sep-Oct 1964; summary of trips for the Fauna Advisory Council; Field notes and logs of birds for many trips in  Western Australia, Jan 1965-Sept 7 1966 ;
16. Western Australia, Field notes and logbook of birds and summaries of reptiles and frogs covering several trips including the Canning Desert trip, Adelaide trip,  Sept 1966-7 Sept 1968 ;
17. Billie Gill's field notes from a trip from a round trip from Innisfail to the Kimberley, May 28 - Sept 6, 1973.