Arithmetic -- Textbooks -- Early works to 1900 Dunkard Brethren Ephrata Cloister Fraktur art -- Pennsylvania Geomancy -- Early works to 1800 German Americans -- Music German Baptist Brethren (U.S.) -- Pennsylvania German language -- 18th century -- Dictionaries Germantown (Philadelphia, Pa.) -- History -- Colonial period, ca. 1600-1775 Hymns -- German -- 18th century Hymns, German -- Pennsylvania Hymns, German -- United States -- Texts Illumination of books and manuscripts, German Mathematics, German Mysticism -- Germany -- History Mysticism -- United States -- History Newspapers -- German -- 18th century Pennsylvania -- History -- Colonial period, ca. 1600-1775 Pietism -- United States -- History -- 18th century Printing -- United States -- History -- 18th century Publishing -- Periodicals -- 18th century Schwenkfelder Church Schwenkfelder Church -- Catechisms Schwenkfelder Church -- Catechisms -- German Schwenkfelder Church -- Hymns Schwenkfelder Church -- Prayers and devotions Sermons, German -- United States -- Early works to 1800 Voyages and travels