 Morocco , John , Rain of Fire : Air War , 1969 – 1973 Boston : Boston Publishing Company , 1985 . 
 Morocco , John , Rain of Fire : Air War , 1969 – 1973 Boston : Boston Publishing Company , 1985 . 
Morocco , John , Rain of Fire : Air War , 1969 – 1973 Boston : Boston Publishing Company , 1985 .