Smithsonian Folkways has Stan Hugill on two more CDs:

Sea Music of Many Lands: The Pacific Heritage
Folkways FW38405
Recorded in 1980 at the annual Festival of the Sea in San Francisco
Stan Hugill sings South Australia and Blow the Man Down

Songs of the Sea: The National Maritime Museum Festival of the Sea
Folkways FW37315
Recorded in open air at the 1979 Hyde Street Pier in San Francisco
Stan Hugill sings Clear Away the Track