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In page Mikael Agricola:
"Agricola's Rucouskiria Bibliasta (contemporary Finnish spelling: Rukouskirja; literally, "Prayer Book from the Bible") was printed in March 1544. At the beginning of the book, Agricola wrote about many topics concerning all-round education and the Reformation's effects in Finland.[1] The book includes four prefaces and about 700 prayers on many topics;[2] it even has twelve structurally different kinds of prayers, instead of the usual two or three. It is the most independent work by Agricola and contains approximately 900 pages. His sources include the works of Luther, Melanchthon, and Erasmus.[citation needed]