John Robert Christianson
John Robert Christianson has written at least 1 book. Their most popular book is On Tycho's Island: Tycho Brahe and his Assistants, 1570–1601 with 2 saves with an average rating of 4⭐.
John Robert Christianson has written at least 1 book. Their most popular book is On Tycho's Island: Tycho Brahe and his Assistants, 1570–1601 with 2 saves with an average rating of 4⭐.
 On Tycho's Island On Tycho's Island: Tycho Brahe and his Assistants, 1570–1601
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