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Among his more important written works was the four-volume Geschichte der Lutherischen Dogmatik ( History of Lutheran Dogmatics 1854-67 ) , and an 1846 book on Georgius Calixtus and syncretism called Georg Calixt und der Synkretismus .
 Georgius Calixtus
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Georgius Calixtus