HOW TO MAKE AND US</em>E A TELESCOPE
H.PERCY WILKINS AND PATRICK MOORE1956 年出版196 页ISBN：
BECOMING RIGHT HOW CAMPUS</em>ES SHAPE YOUNG CONSERVATIVES
AMY J.BINDER AND KATE WOOD2013 年出版402 页ISBN：0691145377
HOW 8:A HANDBOOK FOR OFFICE WORKERS 8E
JAMES L.CLARK LYN R.CLARK1998 年出版517 页ISBN：0538863196
LONGMAN STRUCTURAL READERS STAGE 3 HOW LIFE BEGIN
LEWIS</em> JONES1978 年出版64 页ISBN：0582538122
