62 letters mainly to Ethel from siblings, Charlotte Louise, friends and others, 1920- -1929 Album 20 Date: 1920- -1929
68 Letters mainly to Ethel from friends, lovers and family members, 1901 - 1905 Album 16 Date: 1901 - 1905
7.30 ABC Canberra. "Gammage talking about "biggest estate" book, 14/10/2001 Digital-Carriers-Box 170 Unit ID: NLA.MS-DM010382 Date: 14/10/2001
7.30 Report 25/04/1990, Good Morning Australia 12/04/1990, 1990 Shelf-Tall OH2-8-006 Unit ID: NLA.MS-SAV019063 Date: 1990
75 Letters mainly to Ethel from friends, family, and her lover - Charlie, 1906 - 1909 Album 17 Date: 1906 - 1909