William N. Hailmann

来自维基百科，自由的百科全书

Found in articles

Information for Elementary School Teachers in the U.S. William N. Hailmann（英语：William N. Hailmann）. Education, Elementary. Encyclopedia Americana. 1920

Found in articles

初等教育

Information for Elementary School Teachers in the U.S. William N. Hailmann（英语：William N. Hailmann）. Education, Elementary. Encyclopedia Americana. 1920