Mikael Siversson, Mark harvey and Terry Houston of the Western Australian Museum gave generously of their time.
Historians Geoffrey Bolton and Cathie Clement provided details of Kimberley personalities.
Tim Willing of Broome clarified Mjoberg’s plant identifications and proofread the penultimate draft.
Bruno Jordanoff provided information on photographs.
Prof John Norman provided information on divers’ paralysis.
Val Hawkes proofread the manuscript.