- printed - tour diary of the Deputy Commissioner of the Naga Hills for the year 1870-1872 (John Butler) volume two
- printed - tour diary of the Deputy Commissioner of the Naga Hills for the year 1870-1872 (John Butler) volume two
- printed - tour diary of the Deputy Commissioner of the Naga Hills for the year 1870-1872 (John Butler) volume two
- printed - tour diary of the Deputy Commissioner of the Naga Hills for the year 1870-1872 (John Butler) volume two
- printed - tour diary of the Deputy Commissioner of the Naga Hills for the year 1870-1872 (John Butler) volume two
- printed - Tour Diary of the Deputy Commissioner for 1873 (John Butler) volume three
- printed - Tour Diary of the Deputy Commissioner for 1873 (John Butler) volume three