The Grantville Gazettes preceded 1634: The Baltic War (written by David Weber) and 1634: The Bavarian Crisis.
[['1634: The Bavarian Crisis', 'PRECEDED_BY', '1634: The Baltic War'], ['1634: The Baltic War', 'AUTHOR', 'David Weber'], ['1634: The Bavarian Crisis', 'PRECEDED_BY', 'The Grantville Gazettes']]