What concepts are described in the following sentence?

"The English written book 1634: The Ram Rebellion was written before the DeMarce Short stories in the Grantville Gazette. Then followed the book 1634: The Bavarian Crisis whose authors are Virginia DeMarce and Eric Flint."

Return the answer as pairs of triples.
1634: The Bavarian Crisis PRECEDED_BY 1634: The Ram Rebellion
1634: The Ram Rebellion LANGUAGE English language
1634: The Bavarian Crisis PRECEDED_BY "DeMarce short stories in the The Grantville Gazettes"
1634: The Bavarian Crisis AUTHOR "Virginia DeMarce and Eric Flint"