Dr. Holbrook's Military School
... that after its closure, Dr. Holbrook's Military School served as headquarters of a New York Guard regiment protecting the Croton Aqueduct during World War I?
... that after its closure, <b id="mwAew"><a href="./Dr._Holbrook's_Military_School" id="mwAe0" rel="mw:WikiLink" title="Dr. Holbrook's Military School">Dr. Holbrook's Military School</a></b> served as headquarters of a <a href="./New_York_Guard" id="mwAe4" rel="mw:WikiLink" title="New York Guard">New York Guard</a> regiment protecting the <a href="./Croton_Aqueduct" id="mwAe8" rel="mw:WikiLink" title="Croton Aqueduct">Croton Aqueduct</a> during <a href="./World_War_I" id="mwAfA" rel="mw:WikiLink" title="World War I">World War I</a>?