Here are some suggestions where you could do some research and find some more information:
In the UK National Archives: records of the internment camps in the UK.
In the UK Newspapers archives: reports about the internment camps in the UK.
In the National Archives of Australia: passenger lists and records of the camps.
In the Australian Newspapers on Trove: internment camps in Australia
and the ships from Europe to Australia and from Australia to California.
In the Californian Newspapers Archives: ships from Australia to California.
Corinne Iten, Switzerland