| Authors | Country | Home city |
|---|---|---|
| William Norton | UK | Cambridge |
| William Anthony | UK | Leeds |
| S.B.Swaminathan | India | Bangalore |
| Thomas Morgan | Germany | Arnsberg |
| Piers Gibson | UK | London |
| Marquis de Ellis | Brazil | Rio De Janerio |
| John Betjeman Hunter | Australia | Sydney |
| E. Howard | Australia | Adelaide |
| C. J. Wilde | UK | London |