Teachers
http://www.usda.gov/oc/photo/b00d0869.jpg
http://www.tkstoystand.com/IMAGES/SUZYS_ZOO_B/sz_nc_school_teacher_nc5642.jpg

Books
http://webclipart.miningco.com/library/grand/school4.gif

Dollar
http://www.buntebank.com/muster-galerie/ein-dollar-schein.jpg