"W. H. Freeman/Spektrum" . "1946" . "W.H. Freeman and Company" . "W. H. Freeman and Co." . . . . . . . . . "Freeman" . . . . . . "W. H. Freeman and Company" . . . . . "W. H. Freeman" . . . . "1964" . . "W. H. Freeman and Company" . . . "W.H. Freeman" . . "W. H. Freeman & Co." . .