Carl Kaestle
... that Harvey J. Graff declared Carl Kaestle "one of the leading practitioners of American educational history"?
... that <a href="./Harvey_J._Graff" id="mwDx8" rel="mw:WikiLink" title="Harvey J. Graff">Harvey J. Graff</a> declared <b id="mwDyA"><a href="./Carl_Kaestle" id="mwDyE" rel="mw:WikiLink" title="Carl Kaestle">Carl Kaestle</a></b> "one of the leading practitioners of <a href="./History_of_education_in_the_United_States" id="mwDyI" rel="mw:WikiLink" title="History of education in the United States">American educational history</a>"?