(1) Glyndwr Williams 1932- . British historian.Williams has written several different books about the Northwest Passage. In particular, 'The Quest for the Northwest Passage' is different from both 'Voyages of Delusion' and 'Arctic Labyrinth' even though they both have the phrase as a subtitle. Please do not combine them.
(2) Glyn Williams 1939-
(5) Glyn Williams, 1970-